Commit 0b44f7a5 authored by Christoph Lameter's avatar Christoph Lameter Committed by Linus Torvalds
Browse files

slab: warn on zero-length allocations



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: default avatarChristoph Lameter <clameter@sgi.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 4b6f0750
......@@ -789,6 +789,7 @@ static inline struct kmem_cache *__find_general_cachep(size_t size,
*/
BUG_ON(malloc_sizes[INDEX_AC].cs_cachep == NULL);
#endif
WARN_ON_ONCE(size == 0);
while (size > csizep->cs_size)
csizep++;
......
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