Commit 0b44f7a5 authored May 16, 2007 by Christoph Lameter Committed by Linus Torvalds May 17, 2007

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: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 4b6f0750

mm/slab.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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++;