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-rw-r--r--memory/build/replace_malloc.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/memory/build/replace_malloc.c b/memory/build/replace_malloc.c
index 88dfde33c..26dd8c2d6 100644
--- a/memory/build/replace_malloc.c
+++ b/memory/build/replace_malloc.c
@@ -513,6 +513,12 @@ register_zone(void)
*/
malloc_zone_t *purgeable_zone = malloc_default_purgeable_zone();
+ // There is a problem related to the above with the system nano zone, which
+ // is hard to work around from here, and that is instead worked around by
+ // disabling the nano zone through an environment variable
+ // (MallocNanoZone=0). In Firefox, we do that through
+ // browser/app/macbuild/Contents/Info.plist.in.
+
/* Register the custom zone. At this point it won't be the default. */
malloc_zone_register(&zone);