lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-07-28 00:21:52 +03:00
Code Activity

malloc: Remove arena_mem variable

Browse Source 
The computed value is never used.  The accesses were data races.
This commit is contained in:
Florian Weimer
2016-02-19 17:06:33 +01:00
parent aff8c7a9a7
commit 00d4e2ea35
3 changed files with 6 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
malloc/malloc.c
View File

@ -2410,7 +2410,6 @@ sysmalloc (INTERNAL_SIZE_T nb, mstate av)
&& grow_heap (old_heap, MINSIZE + nb - old_size) == 0)
{
av->system_mem += old_heap->size - old_heap_size;
arena_mem += old_heap->size - old_heap_size;
set_head (old_top, (((char *) old_heap + old_heap->size) - (char *) old_top)
| PREV_INUSE);
}
@ -2420,7 +2419,6 @@ sysmalloc (INTERNAL_SIZE_T nb, mstate av)
heap->ar_ptr = av;
heap->prev = old_heap;
av->system_mem += heap->size;
arena_mem += heap->size;
/* Set up the new top. */
top (av) = chunk_at_offset (heap, sizeof (*heap));
set_head (top (av), (heap->size - sizeof (*heap)) | PREV_INUSE);