mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-12-27 11:06:41 -05:00
Code Issues Packages Projects Releases Wiki Activity

mm: remove reference to destructor in comment in calculate_sizes()

Browse Source 
The commit that removed support for destructors from kmem_cache_alloc()
never removed the comment regarding destructors in the explanation of the
possible relocation of the free pointer in calculate_sizes().

Link: https://lkml.kernel.org/r/20251021110004.2209008-1-william.kucharski@oracle.com
Fixes: 20c2df83d2 ("mm: Remove slab destructors from kmem_cache_create().")
Signed-off-by: William Kucharski <william.kucharski@oracle.com>
Acked-by: Roman Gushchin <roman.gushchin@linux.dev>
Reviewed-by: Christoph Lameter (Ampere) <cl@gentwo.org>
Acked-by: SeongJae Park <sj@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Harry Yoo <harry.yoo@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
William Kucharski
2025-10-21 05:00:04 -06:00
committed by Andrew Morton
parent 2da6fe91c2
commit fe62415c9b
1 changed files with 5 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
mm/slub.c
View File

@@ -7901,11 +7901,11 @@ static int calculate_sizes(struct kmem_cache_args *args, struct kmem_cache *s)
* permitted to overwrite the first word of the object on
* kmem_cache_free.
*
* This is the case if we do RCU, have a constructor or
* destructor, are poisoning the objects, or are
* redzoning an object smaller than sizeof(void *) or are
* redzoning an object with slub_debug_orig_size() enabled,
* in which case the right redzone may be extended.
* This is the case if we do RCU, have a constructor, are
* poisoning the objects, or are redzoning an object smaller
* than sizeof(void *) or are redzoning an object with
* slub_debug_orig_size() enabled, in which case the right
* redzone may be extended.
*
* The assumption that s->offset >= s->inuse means free
* pointer is outside of the object is used in the