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-rw-r--r--memory/mozjemalloc/Makefile.in2
-rw-r--r--memory/mozjemalloc/jemalloc.c393
-rw-r--r--memory/mozjemalloc/jemalloc_types.h2
-rw-r--r--memory/mozjemalloc/linkedlist.h2
-rw-r--r--memory/mozjemalloc/moz.build19
-rw-r--r--memory/mozjemalloc/osx_zone_types.h2
-rw-r--r--memory/mozjemalloc/ql.h2
-rw-r--r--memory/mozjemalloc/qr.h2
-rw-r--r--memory/mozjemalloc/rb.h2
9 files changed, 73 insertions, 353 deletions
diff --git a/memory/mozjemalloc/Makefile.in b/memory/mozjemalloc/Makefile.in
index 6c47e1fa2..f02b315ec 100644
--- a/memory/mozjemalloc/Makefile.in
+++ b/memory/mozjemalloc/Makefile.in
@@ -3,11 +3,9 @@
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-ifndef MOZ_JEMALLOC4
# Force optimize mozjemalloc on --disable-optimize builds.
# This works around the issue that the Android NDK's definition of ffs is
# broken when compiling without optimization, while avoiding to add yet another
# configure test.
MOZ_OPTIMIZE = 1
-endif
diff --git a/memory/mozjemalloc/jemalloc.c b/memory/mozjemalloc/jemalloc.c
index 5d4d83a24..7950b43e8 100644
--- a/memory/mozjemalloc/jemalloc.c
+++ b/memory/mozjemalloc/jemalloc.c
@@ -2,7 +2,7 @@
/* vim:set softtabstop=8 shiftwidth=8 noet: */
/*-
* Copyright (C) 2006-2008 Jason Evans <jasone@FreeBSD.org>.
- * All rights reserved.
+ * Copyright (C) 2015-2018 Mark Straver <moonchild@palemoon.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -140,17 +140,9 @@
#endif
/*
- * Use only one arena by default. Mozilla does not currently make extensive
- * use of concurrent allocation, so the increased fragmentation associated with
- * multiple arenas is not warranted.
- *
- * When using the Servo style system, we do indeed make use of significant
- * concurrent allocation, and the overhead matters. Bug 1291355 tracks
- * investigating the fragmentation overhead of turning this on for users.
+ * Uncomment this to use only one arena by default.
*/
-#ifndef MOZ_STYLO
-#define MOZ_MEMORY_NARENAS_DEFAULT_ONE
-#endif
+// #define MOZ_MEMORY_NARENAS_DEFAULT_ONE
/*
* Pass this set of options to jemalloc as its default. It does not override
@@ -199,13 +191,6 @@
*/
#define MALLOC_VALIDATE
-/*
- * MALLOC_BALANCE enables monitoring of arena lock contention and dynamically
- * re-balances arena load if exponentially averaged contention exceeds a
- * certain threshold.
- */
-/* #define MALLOC_BALANCE */
-
#if defined(MOZ_MEMORY_LINUX) && !defined(MOZ_MEMORY_ANDROID)
#define _GNU_SOURCE /* For mremap(2). */
#if 0 /* Enable in order to test decommit code on Linux. */
@@ -224,9 +209,6 @@
#ifdef MOZ_MEMORY_WINDOWS
-/* Some defines from the CRT internal headers that we need here. */
-#define _CRT_SPINCOUNT 5000
-#define __crtInitCritSecAndSpinCount InitializeCriticalSectionAndSpinCount
#include <io.h>
#include <windows.h>
#include <intrin.h>
@@ -433,10 +415,6 @@ void *_mmap(void *addr, size_t length, int prot, int flags,
#endif
#endif
-#ifdef MOZ_MEMORY_DARWIN
-static const bool isthreaded = true;
-#endif
-
#if defined(MOZ_MEMORY_SOLARIS) && defined(MAP_ALIGN) && !defined(JEMALLOC_NEVER_USES_MAP_ALIGN)
#define JEMALLOC_USES_MAP_ALIGN /* Required on Solaris 10. Might improve performance elsewhere. */
#endif
@@ -471,9 +449,7 @@ static const bool isthreaded = true;
# define SIZEOF_PTR_2POW 2
#endif
#define PIC
-#ifndef MOZ_MEMORY_DARWIN
-static const bool isthreaded = true;
-#else
+#ifdef MOZ_MEMORY_DARWIN
# define NO_TLS
#endif
#if 0
@@ -529,13 +505,6 @@ static const bool isthreaded = true;
# define NO_TLS
#endif
-#ifdef NO_TLS
- /* MALLOC_BALANCE requires TLS. */
-# ifdef MALLOC_BALANCE
-# undef MALLOC_BALANCE
-# endif
-#endif
-
/*
* Size and alignment of memory chunks that are allocated by the OS's virtual
* memory system.
@@ -615,24 +584,6 @@ static const bool isthreaded = true;
*/
#define BLOCK_COST_2POW 4
-#ifdef MALLOC_BALANCE
- /*
- * We use an exponential moving average to track recent lock contention,
- * where the size of the history window is N, and alpha=2/(N+1).
- *
- * Due to integer math rounding, very small values here can cause
- * substantial degradation in accuracy, thus making the moving average decay
- * faster than it would with precise calculation.
- */
-# define BALANCE_ALPHA_INV_2POW 9
-
- /*
- * Threshold value for the exponential moving contention average at which to
- * re-assign a thread.
- */
-# define BALANCE_THRESHOLD_DEFAULT (1U << (SPIN_LIMIT_2POW-4))
-#endif
-
/******************************************************************************/
/* MALLOC_DECOMMIT and MALLOC_DOUBLE_PURGE are mutually exclusive. */
@@ -646,8 +597,8 @@ static const bool isthreaded = true;
* issues in some cases.
*/
#if defined(MOZ_MEMORY_WINDOWS)
-#define malloc_mutex_t CRITICAL_SECTION
-#define malloc_spinlock_t CRITICAL_SECTION
+#define malloc_mutex_t SRWLOCK
+#define malloc_spinlock_t SRWLOCK
#elif defined(MOZ_MEMORY_DARWIN)
typedef struct {
OSSpinLock lock;
@@ -746,11 +697,6 @@ struct arena_stats_s {
size_t allocated_large;
uint64_t nmalloc_large;
uint64_t ndalloc_large;
-
-#ifdef MALLOC_BALANCE
- /* Number of times this arena reassigned a thread due to contention. */
- uint64_t nbalance;
-#endif
};
#endif /* #ifdef MALLOC_STATS */
@@ -1035,14 +981,6 @@ struct arena_s {
*/
arena_avail_tree_t runs_avail;
-#ifdef MALLOC_BALANCE
- /*
- * The arena load balancing machinery needs to keep track of how much
- * lock contention there is. This value is exponentially averaged.
- */
- uint32_t contention;
-#endif
-
/*
* bins is used to store rings of free regions of the following sizes,
* assuming a 16-byte quantum, 4kB pagesize, and default MALLOC_OPTIONS.
@@ -1281,11 +1219,7 @@ static size_t base_committed;
static arena_t **arenas;
static unsigned narenas;
#ifndef NO_TLS
-# ifdef MALLOC_BALANCE
-static unsigned narenas_2pow;
-# else
static unsigned next_arena;
-# endif
#endif
#ifdef MOZ_MEMORY
static malloc_spinlock_t arenas_lock; /* Protects arenas initialization. */
@@ -1327,9 +1261,6 @@ static const bool opt_zero = false;
#endif
static size_t opt_dirty_max = DIRTY_MAX_DEFAULT;
-#ifdef MALLOC_BALANCE
-static uint64_t opt_balance_threshold = BALANCE_THRESHOLD_DEFAULT;
-#endif
static bool opt_print_stats = false;
#ifdef MALLOC_STATIC_SIZES
#define opt_quantum_2pow QUANTUM_2POW_MIN
@@ -1424,9 +1355,6 @@ static void arena_run_trim_tail(arena_t *arena, arena_chunk_t *chunk,
static arena_run_t *arena_bin_nonfull_run_get(arena_t *arena, arena_bin_t *bin);
static void *arena_bin_malloc_hard(arena_t *arena, arena_bin_t *bin);
static size_t arena_bin_run_size_calc(arena_bin_t *bin, size_t min_run_size);
-#ifdef MALLOC_BALANCE
-static void arena_lock_balance_hard(arena_t *arena);
-#endif
static void *arena_malloc_large(arena_t *arena, size_t size, bool zero);
static void *arena_palloc(arena_t *arena, size_t alignment, size_t size,
size_t alloc_size);
@@ -1635,9 +1563,7 @@ static bool
malloc_mutex_init(malloc_mutex_t *mutex)
{
#if defined(MOZ_MEMORY_WINDOWS)
- if (isthreaded)
- if (! __crtInitCritSecAndSpinCount(mutex, _CRT_SPINCOUNT))
- return (true);
+ InitializeSRWLock(mutex);
#elif defined(MOZ_MEMORY_DARWIN)
mutex->lock = OS_SPINLOCK_INIT;
#elif defined(MOZ_MEMORY_LINUX) && !defined(MOZ_MEMORY_ANDROID)
@@ -1666,14 +1592,13 @@ malloc_mutex_lock(malloc_mutex_t *mutex)
{
#if defined(MOZ_MEMORY_WINDOWS)
- EnterCriticalSection(mutex);
+ AcquireSRWLockExclusive(mutex);
#elif defined(MOZ_MEMORY_DARWIN)
OSSpinLockLock(&mutex->lock);
#elif defined(MOZ_MEMORY)
pthread_mutex_lock(mutex);
#else
- if (isthreaded)
- _SPINLOCK(&mutex->lock);
+ _SPINLOCK(&mutex->lock);
#endif
}
@@ -1682,14 +1607,13 @@ malloc_mutex_unlock(malloc_mutex_t *mutex)
{
#if defined(MOZ_MEMORY_WINDOWS)
- LeaveCriticalSection(mutex);
+ ReleaseSRWLockExclusive(mutex);
#elif defined(MOZ_MEMORY_DARWIN)
OSSpinLockUnlock(&mutex->lock);
#elif defined(MOZ_MEMORY)
pthread_mutex_unlock(mutex);
#else
- if (isthreaded)
- _SPINUNLOCK(&mutex->lock);
+ _SPINUNLOCK(&mutex->lock);
#endif
}
@@ -1700,9 +1624,7 @@ static bool
malloc_spin_init(malloc_spinlock_t *lock)
{
#if defined(MOZ_MEMORY_WINDOWS)
- if (isthreaded)
- if (! __crtInitCritSecAndSpinCount(lock, _CRT_SPINCOUNT))
- return (true);
+ InitializeSRWLock(lock);
#elif defined(MOZ_MEMORY_DARWIN)
lock->lock = OS_SPINLOCK_INIT;
#elif defined(MOZ_MEMORY_LINUX) && !defined(MOZ_MEMORY_ANDROID)
@@ -1729,14 +1651,13 @@ malloc_spin_lock(malloc_spinlock_t *lock)
{
#if defined(MOZ_MEMORY_WINDOWS)
- EnterCriticalSection(lock);
+ AcquireSRWLockExclusive(lock);
#elif defined(MOZ_MEMORY_DARWIN)
OSSpinLockLock(&lock->lock);
#elif defined(MOZ_MEMORY)
pthread_mutex_lock(lock);
#else
- if (isthreaded)
- _SPINLOCK(&lock->lock);
+ _SPINLOCK(&lock->lock);
#endif
}
@@ -1744,14 +1665,13 @@ static inline void
malloc_spin_unlock(malloc_spinlock_t *lock)
{
#if defined(MOZ_MEMORY_WINDOWS)
- LeaveCriticalSection(lock);
+ ReleaseSRWLockExclusive(lock);
#elif defined(MOZ_MEMORY_DARWIN)
OSSpinLockUnlock(&lock->lock);
#elif defined(MOZ_MEMORY)
pthread_mutex_unlock(lock);
#else
- if (isthreaded)
- _SPINUNLOCK(&lock->lock);
+ _SPINUNLOCK(&lock->lock);
#endif
}
@@ -1805,30 +1725,28 @@ malloc_spin_lock(pthread_mutex_t *lock)
{
unsigned ret = 0;
- if (isthreaded) {
- if (_pthread_mutex_trylock(lock) != 0) {
- unsigned i;
- volatile unsigned j;
+ if (_pthread_mutex_trylock(lock) != 0) {
+ unsigned i;
+ volatile unsigned j;
- /* Exponentially back off. */
- for (i = 1; i <= SPIN_LIMIT_2POW; i++) {
- for (j = 0; j < (1U << i); j++)
- ret++;
+ /* Exponentially back off. */
+ for (i = 1; i <= SPIN_LIMIT_2POW; i++) {
+ for (j = 0; j < (1U << i); j++)
+ ret++;
- CPU_SPINWAIT;
- if (_pthread_mutex_trylock(lock) == 0)
- return (ret);
- }
-
- /*
- * Spinning failed. Block until the lock becomes
- * available, in order to avoid indefinite priority
- * inversion.
- */
- _pthread_mutex_lock(lock);
- assert((ret << BLOCK_COST_2POW) != 0);
- return (ret << BLOCK_COST_2POW);
+ CPU_SPINWAIT;
+ if (_pthread_mutex_trylock(lock) == 0)
+ return (ret);
}
+
+ /*
+ * Spinning failed. Block until the lock becomes
+ * available, in order to avoid indefinite priority
+ * inversion.
+ */
+ _pthread_mutex_lock(lock);
+ assert((ret << BLOCK_COST_2POW) != 0);
+ return (ret << BLOCK_COST_2POW);
}
return (ret);
@@ -1837,9 +1755,7 @@ malloc_spin_lock(pthread_mutex_t *lock)
static inline void
malloc_spin_unlock(pthread_mutex_t *lock)
{
-
- if (isthreaded)
- _pthread_mutex_unlock(lock);
+ _pthread_mutex_unlock(lock);
}
#endif
@@ -1893,56 +1809,6 @@ pow2_ceil(size_t x)
return (x);
}
-#ifdef MALLOC_BALANCE
-/*
- * Use a simple linear congruential pseudo-random number generator:
- *
- * prn(y) = (a*x + c) % m
- *
- * where the following constants ensure maximal period:
- *
- * a == Odd number (relatively prime to 2^n), and (a-1) is a multiple of 4.
- * c == Odd number (relatively prime to 2^n).
- * m == 2^32
- *
- * See Knuth's TAOCP 3rd Ed., Vol. 2, pg. 17 for details on these constraints.
- *
- * This choice of m has the disadvantage that the quality of the bits is
- * proportional to bit position. For example. the lowest bit has a cycle of 2,
- * the next has a cycle of 4, etc. For this reason, we prefer to use the upper
- * bits.
- */
-# define PRN_DEFINE(suffix, var, a, c) \
-static inline void \
-sprn_##suffix(uint32_t seed) \
-{ \
- var = seed; \
-} \
- \
-static inline uint32_t \
-prn_##suffix(uint32_t lg_range) \
-{ \
- uint32_t ret, x; \
- \
- assert(lg_range > 0); \
- assert(lg_range <= 32); \
- \
- x = (var * (a)) + (c); \
- var = x; \
- ret = x >> (32 - lg_range); \
- \
- return (ret); \
-}
-# define SPRN(suffix, seed) sprn_##suffix(seed)
-# define PRN(suffix, lg_range) prn_##suffix(lg_range)
-#endif
-
-#ifdef MALLOC_BALANCE
-/* Define the PRNG used for arena assignment. */
-static __thread uint32_t balance_x;
-PRN_DEFINE(balance, balance_x, 1297, 1301)
-#endif
-
#ifdef MALLOC_UTRACE
static int
utrace(const void *addr, size_t len)
@@ -3089,10 +2955,6 @@ choose_arena(void)
* introduces a bootstrapping issue.
*/
#ifndef NO_TLS
- if (isthreaded == false) {
- /* Avoid the overhead of TLS for single-threaded operation. */
- return (arenas[0]);
- }
# ifdef MOZ_MEMORY_WINDOWS
ret = (arena_t*)TlsGetValue(tlsIndex);
@@ -3105,7 +2967,7 @@ choose_arena(void)
RELEASE_ASSERT(ret != NULL);
}
#else
- if (isthreaded && narenas > 1) {
+ if (narenas > 1) {
unsigned long ind;
/*
@@ -3162,31 +3024,12 @@ choose_arena_hard(void)
{
arena_t *ret;
- assert(isthreaded);
-
-#ifdef MALLOC_BALANCE
- /* Seed the PRNG used for arena load balancing. */
- SPRN(balance, (uint32_t)(uintptr_t)(_pthread_self()));
-#endif
-
if (narenas > 1) {
-#ifdef MALLOC_BALANCE
- unsigned ind;
-
- ind = PRN(balance, narenas_2pow);
- if ((ret = arenas[ind]) == NULL) {
- malloc_spin_lock(&arenas_lock);
- if ((ret = arenas[ind]) == NULL)
- ret = arenas_extend(ind);
- malloc_spin_unlock(&arenas_lock);
- }
-#else
malloc_spin_lock(&arenas_lock);
if ((ret = arenas[next_arena]) == NULL)
ret = arenas_extend(next_arena);
next_arena = (next_arena + 1) % narenas;
malloc_spin_unlock(&arenas_lock);
-#endif
} else
ret = arenas[0];
@@ -4120,63 +3963,6 @@ arena_bin_run_size_calc(arena_bin_t *bin, size_t min_run_size)
return (good_run_size);
}
-#ifdef MALLOC_BALANCE
-static inline void
-arena_lock_balance(arena_t *arena)
-{
- unsigned contention;
-
- contention = malloc_spin_lock(&arena->lock);
- if (narenas > 1) {
- /*
- * Calculate the exponentially averaged contention for this
- * arena. Due to integer math always rounding down, this value
- * decays somewhat faster then normal.
- */
- arena->contention = (((uint64_t)arena->contention
- * (uint64_t)((1U << BALANCE_ALPHA_INV_2POW)-1))
- + (uint64_t)contention) >> BALANCE_ALPHA_INV_2POW;
- if (arena->contention >= opt_balance_threshold)
- arena_lock_balance_hard(arena);
- }
-}
-
-static void
-arena_lock_balance_hard(arena_t *arena)
-{
- uint32_t ind;
-
- arena->contention = 0;
-#ifdef MALLOC_STATS
- arena->stats.nbalance++;
-#endif
- ind = PRN(balance, narenas_2pow);
- if (arenas[ind] != NULL) {
-#ifdef MOZ_MEMORY_WINDOWS
- TlsSetValue(tlsIndex, arenas[ind]);
-#else
- arenas_map = arenas[ind];
-#endif
- } else {
- malloc_spin_lock(&arenas_lock);
- if (arenas[ind] != NULL) {
-#ifdef MOZ_MEMORY_WINDOWS
- TlsSetValue(tlsIndex, arenas[ind]);
-#else
- arenas_map = arenas[ind];
-#endif
- } else {
-#ifdef MOZ_MEMORY_WINDOWS
- TlsSetValue(tlsIndex, arenas_extend(ind));
-#else
- arenas_map = arenas_extend(ind);
-#endif
- }
- malloc_spin_unlock(&arenas_lock);
- }
-}
-#endif
-
static inline void *
arena_malloc_small(arena_t *arena, size_t size, bool zero)
{
@@ -4211,11 +3997,8 @@ arena_malloc_small(arena_t *arena, size_t size, bool zero)
}
RELEASE_ASSERT(size == bin->reg_size);
-#ifdef MALLOC_BALANCE
- arena_lock_balance(arena);
-#else
malloc_spin_lock(&arena->lock);
-#endif
+
if ((run = bin->runcur) != NULL && run->nfree > 0)
ret = arena_bin_malloc_easy(arena, bin, run);
else
@@ -4253,11 +4036,7 @@ arena_malloc_large(arena_t *arena, size_t size, bool zero)
/* Large allocation. */
size = PAGE_CEILING(size);
-#ifdef MALLOC_BALANCE
- arena_lock_balance(arena);
-#else
malloc_spin_lock(&arena->lock);
-#endif
ret = (void *)arena_run_alloc(arena, NULL, size, true, zero);
if (ret == NULL) {
malloc_spin_unlock(&arena->lock);
@@ -4329,11 +4108,8 @@ arena_palloc(arena_t *arena, size_t alignment, size_t size, size_t alloc_size)
assert((size & pagesize_mask) == 0);
assert((alignment & pagesize_mask) == 0);
-#ifdef MALLOC_BALANCE
- arena_lock_balance(arena);
-#else
malloc_spin_lock(&arena->lock);
-#endif
+
ret = (void *)arena_run_alloc(arena, NULL, alloc_size, true, false);
if (ret == NULL) {
malloc_spin_unlock(&arena->lock);
@@ -4756,11 +4532,7 @@ arena_ralloc_large_shrink(arena_t *arena, arena_chunk_t *chunk, void *ptr,
* Shrink the run, and make trailing pages available for other
* allocations.
*/
-#ifdef MALLOC_BALANCE
- arena_lock_balance(arena);
-#else
malloc_spin_lock(&arena->lock);
-#endif
arena_run_trim_tail(arena, chunk, (arena_run_t *)ptr, oldsize, size,
true);
#ifdef MALLOC_STATS
@@ -4780,11 +4552,7 @@ arena_ralloc_large_grow(arena_t *arena, arena_chunk_t *chunk, void *ptr,
/* Try to extend the run. */
assert(size > oldsize);
-#ifdef MALLOC_BALANCE
- arena_lock_balance(arena);
-#else
malloc_spin_lock(&arena->lock);
-#endif
if (pageind + npages < chunk_npages && (chunk->map[pageind+npages].bits
& CHUNK_MAP_ALLOCATED) == 0 && (chunk->map[pageind+npages].bits &
~pagesize_mask) >= size - oldsize) {
@@ -4962,10 +4730,6 @@ arena_new(arena_t *arena)
arena_avail_tree_new(&arena->runs_avail);
-#ifdef MALLOC_BALANCE
- arena->contention = 0;
-#endif
-
/* Initialize bins. */
prev_run_size = pagesize;
@@ -5273,7 +5037,10 @@ huge_dalloc(void *ptr)
base_node_dealloc(node);
}
-#ifndef MOZ_MEMORY_NARENAS_DEFAULT_ONE
+/*
+ * Platform-specific methods to determine the number of CPUs in a system.
+ * This will be used to determine the desired number of arenas.
+ */
#ifdef MOZ_MEMORY_BSD
static inline unsigned
malloc_ncpus(void)
@@ -5371,11 +5138,19 @@ malloc_ncpus(void)
{
return sysconf(_SC_NPROCESSORS_ONLN);
}
+#elif (defined(MOZ_MEMORY_WINDOWS))
+static inline unsigned
+malloc_ncpus(void)
+{
+ SYSTEM_INFO info;
+
+ GetSystemInfo(&info);
+ return (info.dwNumberOfProcessors);
+}
#else
static inline unsigned
malloc_ncpus(void)
{
-
/*
* We lack a way to determine the number of CPUs on this platform, so
* assume 1 CPU.
@@ -5383,7 +5158,6 @@ malloc_ncpus(void)
return (1);
}
#endif
-#endif
static void
malloc_print_stats(void)
@@ -5426,10 +5200,6 @@ malloc_print_stats(void)
#endif
_malloc_message("Max arenas: ", umax2s(narenas, 10, s), "\n",
"");
-#ifdef MALLOC_BALANCE
- _malloc_message("Arena balance threshold: ",
- umax2s(opt_balance_threshold, 10, s), "\n", "");
-#endif
_malloc_message("Pointer size: ", umax2s(sizeof(void *), 10, s),
"\n", "");
_malloc_message("Quantum size: ", umax2s(quantum, 10, s), "\n",
@@ -5447,9 +5217,6 @@ malloc_print_stats(void)
#ifdef MALLOC_STATS
{
size_t allocated, mapped = 0;
-#ifdef MALLOC_BALANCE
- uint64_t nbalance = 0;
-#endif
unsigned i;
arena_t *arena;
@@ -5464,9 +5231,6 @@ malloc_print_stats(void)
allocated +=
arenas[i]->stats.allocated_large;
mapped += arenas[i]->stats.mapped;
-#ifdef MALLOC_BALANCE
- nbalance += arenas[i]->stats.nbalance;
-#endif
malloc_spin_unlock(&arenas[i]->lock);
}
}
@@ -5489,11 +5253,6 @@ malloc_print_stats(void)
allocated, mapped);
#endif
-#ifdef MALLOC_BALANCE
- malloc_printf("Arena balance reassignments: %llu\n",
- nbalance);
-#endif
-
/* Print chunk stats. */
malloc_printf(
"huge: nmalloc ndalloc allocated\n");
@@ -5584,20 +5343,16 @@ malloc_init_hard(void)
GetSystemInfo(&info);
result = info.dwPageSize;
-
-#ifndef MOZ_MEMORY_NARENAS_DEFAULT_ONE
- ncpus = info.dwNumberOfProcessors;
-#endif
}
#else
-#ifndef MOZ_MEMORY_NARENAS_DEFAULT_ONE
- ncpus = malloc_ncpus();
-#endif
-
result = sysconf(_SC_PAGESIZE);
assert(result != -1);
#endif
+#ifndef MOZ_MEMORY_NARENAS_DEFAULT_ONE
+ ncpus = malloc_ncpus();
+#endif
+
/* We assume that the page size is a power of 2. */
assert(((result - 1) & result) == 0);
#ifdef MALLOC_STATIC_SIZES
@@ -5699,18 +5454,8 @@ MALLOC_OUT:
opt_abort = true;
break;
case 'b':
-#ifdef MALLOC_BALANCE
- opt_balance_threshold >>= 1;
-#endif
- break;
case 'B':
-#ifdef MALLOC_BALANCE
- if (opt_balance_threshold == 0)
- opt_balance_threshold = 1;
- else if ((opt_balance_threshold << 1)
- > opt_balance_threshold)
- opt_balance_threshold <<= 1;
-#endif
+ // Balancing option is ignored
break;
#ifdef MALLOC_FILL
#ifndef MALLOC_PRODUCTION
@@ -5953,12 +5698,6 @@ MALLOC_OUT:
if (narenas == 0)
narenas = 1;
}
-#ifdef MALLOC_BALANCE
- assert(narenas != 0);
- for (narenas_2pow = 0;
- (narenas >> (narenas_2pow + 1)) != 0;
- narenas_2pow++);
-#endif
#ifdef NO_TLS
if (narenas > 1) {
@@ -5988,9 +5727,7 @@ MALLOC_OUT:
#endif
#ifndef NO_TLS
-# ifndef MALLOC_BALANCE
next_arena = 0;
-# endif
#endif
/* Allocate and initialize arenas. */
@@ -6031,14 +5768,6 @@ MALLOC_OUT:
#endif
#endif
- /*
- * Seed here for the initial thread, since choose_arena_hard() is only
- * called for other threads. The seed value doesn't really matter.
- */
-#ifdef MALLOC_BALANCE
- SPRN(balance, 42);
-#endif
-
malloc_spin_init(&arenas_lock);
#ifdef MALLOC_VALIDATE
@@ -6579,13 +6308,7 @@ jemalloc_stats_impl(jemalloc_stats_t *stats)
#endif
false;
stats->narenas = narenas;
- stats->balance_threshold =
-#ifdef MALLOC_BALANCE
- opt_balance_threshold
-#else
- SIZE_T_MAX
-#endif
- ;
+ stats->balance_threshold = SIZE_T_MAX;
stats->quantum = quantum;
stats->small_max = small_max;
stats->large_max = arena_maxclass;
diff --git a/memory/mozjemalloc/jemalloc_types.h b/memory/mozjemalloc/jemalloc_types.h
index ae8dc4414..96165ae4d 100644
--- a/memory/mozjemalloc/jemalloc_types.h
+++ b/memory/mozjemalloc/jemalloc_types.h
@@ -2,7 +2,7 @@
/* vim:set softtabstop=8 shiftwidth=8: */
/*-
* Copyright (C) 2006-2008 Jason Evans <jasone@FreeBSD.org>.
- * All rights reserved.
+ * Copyright (C) 2015-2018 Mark Straver <moonchild@palemoon.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
diff --git a/memory/mozjemalloc/linkedlist.h b/memory/mozjemalloc/linkedlist.h
index d75531410..acb10e56d 100644
--- a/memory/mozjemalloc/linkedlist.h
+++ b/memory/mozjemalloc/linkedlist.h
@@ -2,7 +2,7 @@
/* vim:set softtabstop=8 shiftwidth=8 noet: */
/*-
* Copyright (C) the Mozilla Foundation.
- * All rights reserved.
+ * Copyright (C) 2015-2018 Mark Straver <moonchild@palemoon.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
diff --git a/memory/mozjemalloc/moz.build b/memory/mozjemalloc/moz.build
index 0660d1300..feeb4fb07 100644
--- a/memory/mozjemalloc/moz.build
+++ b/memory/mozjemalloc/moz.build
@@ -8,16 +8,15 @@ EXPORTS += [
'jemalloc_types.h',
]
-if not CONFIG['MOZ_JEMALLOC4']:
- SOURCES += [
- 'jemalloc.c',
- ]
- FINAL_LIBRARY = 'memory'
-
- # See bug 422055.
- if CONFIG['OS_ARCH'] == 'SunOS' and not CONFIG['GNU_CC'] \
- and CONFIG['MOZ_OPTIMIZE']:
- CFLAGS += ['-xO5']
+SOURCES += [
+ 'jemalloc.c',
+]
+FINAL_LIBRARY = 'memory'
+
+# See bug 422055.
+if CONFIG['OS_ARCH'] == 'SunOS' and not CONFIG['GNU_CC'] \
+ and CONFIG['MOZ_OPTIMIZE']:
+ CFLAGS += ['-xO5']
# For non release/esr builds, enable (some) fatal jemalloc assertions. This
# helps us catch memory errors.
diff --git a/memory/mozjemalloc/osx_zone_types.h b/memory/mozjemalloc/osx_zone_types.h
index 097953590..603649dbc 100644
--- a/memory/mozjemalloc/osx_zone_types.h
+++ b/memory/mozjemalloc/osx_zone_types.h
@@ -2,7 +2,7 @@
/* vim:set softtabstop=8 shiftwidth=8: */
/*-
* Copyright (C) 2006-2008 Jason Evans <jasone@FreeBSD.org>.
- * All rights reserved.
+ * Copyright (C) 2015-2018 Mark Straver <moonchild@palemoon.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
diff --git a/memory/mozjemalloc/ql.h b/memory/mozjemalloc/ql.h
index 000cd2380..2fdb2d40c 100644
--- a/memory/mozjemalloc/ql.h
+++ b/memory/mozjemalloc/ql.h
@@ -1,7 +1,7 @@
/******************************************************************************
*
* Copyright (C) 2002 Jason Evans <jasone@canonware.com>.
- * All rights reserved.
+ * Copyright (C) 2015-2018 Mark Straver <moonchild@palemoon.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
diff --git a/memory/mozjemalloc/qr.h b/memory/mozjemalloc/qr.h
index ee60491d7..03891664b 100644
--- a/memory/mozjemalloc/qr.h
+++ b/memory/mozjemalloc/qr.h
@@ -1,7 +1,7 @@
/******************************************************************************
*
* Copyright (C) 2002 Jason Evans <jasone@canonware.com>.
- * All rights reserved.
+ * Copyright (C) 2015-2018 Mark Straver <moonchild@palemoon.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
diff --git a/memory/mozjemalloc/rb.h b/memory/mozjemalloc/rb.h
index 43d8569d0..53a926d46 100644
--- a/memory/mozjemalloc/rb.h
+++ b/memory/mozjemalloc/rb.h
@@ -1,7 +1,7 @@
/******************************************************************************
*
* Copyright (C) 2008 Jason Evans <jasone@FreeBSD.org>.
- * All rights reserved.
+ * Copyright (C) 2015-2018 Mark Straver <moonchild@palemoon.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 14:36:48 +0000