diff options
Diffstat (limited to 'malloc')
| -rw-r--r-- | malloc/malloc.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/malloc/malloc.c b/malloc/malloc.c index 68d8752de6..ce8de8015b 100644 --- a/malloc/malloc.c +++ b/malloc/malloc.c @@ -2938,9 +2938,12 @@ chunk_alloc(ar_ptr, nb) arena *ar_ptr; INTERNAL_SIZE_T nb; if ((remainder_size = chunksize(top(ar_ptr)) - nb) < (long)MINSIZE) { #if HAVE_MMAP - /* A last attempt: when we are out of address space in the arena, - try mmap anyway, as long as it is allowed at all. */ - if (n_mmaps_max > 0 && (victim = mmap_chunk(nb)) != 0) + /* A last attempt: when we are out of address space in a + non-main arena, try mmap anyway, as long as it is allowed at + all. */ + if (ar_ptr != &main_arena && + n_mmaps_max > 0 && + (victim = mmap_chunk(nb)) != 0) return victim; #endif return 0; /* propagate failure */ |