The patch titled
slab: warn on zero-length allocations
has been added to the -mm tree. Its filename is
slab-warn-on-zero-length-allocations.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: slab: warn on zero-length allocations
From: Christoph Lameter <clameter@xxxxxxx>
slub warns on this, and we're working on making kmalloc(0) return NULL.
Let's make slab warn as well so our testers detect such callers more
rapidly.
Signed-off-by: Christoph Lameter <clameter@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/slab.c | 1 +
1 files changed, 1 insertion(+)
diff -puN mm/slab.c~slab-warn-on-zero-length-allocations mm/slab.c
--- a/mm/slab.c~slab-warn-on-zero-length-allocations
+++ a/mm/slab.c
@@ -789,6 +789,7 @@ static inline struct kmem_cache *__find_
*/
BUG_ON(malloc_sizes[INDEX_AC].cs_cachep == NULL);
#endif
+ WARN_ON_ONCE(size == 0);
while (size > csizep->cs_size)
csizep++;
_
Patches currently in -mm which might be from clameter@xxxxxxx are
origin.patch
git-ubi.patch
quicklist-support-for-x86_64.patch
slab-allocators-drop-support-for-destructors.patch
remove-slab_ctor_constructor.patch
remove-constructor-from-buffer_head.patch
remove-slab_ctor_constructor-fix.patch
slub-remove-depends-on-experimental-and-arch_uses_slab_page_struct.patch
slab-move-two-remaining-slab-specific-definitions-to-slab_defh.patch
slub-define-functions-for-cpu-slab-handling-instead-of-using.patch
slub-define-functions-for-cpu-slab-handling-instead-of-using-fix.patch
slab-warn-on-zero-length-allocations.patch
compat_core_sys_select-avoid-kmalloc0.patch
change-zonelist-order-zonelist-order-selection-logic.patch
change-zonelist-order-v6-zonelist-fix.patch
change-zonelist-order-auto-configuration.patch
change-zonelist-order-documentaion.patch
group-short-lived-and-reclaimable-kernel-allocations-use-slab_account_reclaim-to-determine-when-__gfp_reclaimable-should-be-used.patch
group-short-lived-and-reclaimable-kernel-allocations-use-slab_account_reclaim-to-determine-when-__gfp_reclaimable-should-be-used-fix.patch
have-kswapd-keep-a-minimum-order-free-other-than-order-0.patch
have-kswapd-keep-a-minimum-order-free-other-than-order-0-fix.patch
only-check-absolute-watermarks-for-alloc_high-and-alloc_harder-allocations.patch
slub-mm-only-make-slub-the-default-slab-allocator.patch
slub-exploit-page-mobility-to-increase-allocation-order.patch
slub-reduce-antifrag-max-order.patch
slub-reduce-antifrag-max-order-use-antifrag-constant-instead-of-hardcoding-page-order.patch
define-percpu-smp-cacheline-align-interface.patch
call-percpu-smp-cacheline-algin-interface.patch
mm-implement-swap-prefetching.patch
revoke-core-code.patch
-
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
