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Commit 111c7d82 authored by Zhang, Yanmin's avatar Zhang, Yanmin Committed by Pekka Enberg
Browse files

slub: Fix bad boundary check in init_kmem_cache_nodes() 



Function init_kmem_cache_nodes is incorrect when checking upper limitation of
kmalloc_caches. The breakage was introduced by commit
91efd773 ("dma kmalloc handling fixes").

Acked-by: default avatarChristoph Lameter <cl@linux-foundation.org>
Signed-off-by: default avatarPekka Enberg <penberg@cs.helsinki.fi>
parent 8777c793

mm/slub.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -2153,7 +2153,7 @@ static int init_kmem_cache_nodes(struct kmem_cache *s, gfp_t gfpflags) 
	int local_node;

	int local_node;





	if (slab_state >= UP && (s < kmalloc_caches ||

	if (slab_state >= UP && (s < kmalloc_caches ||

			s > kmalloc_caches + KMALLOC_CACHES))

			s >= kmalloc_caches + KMALLOC_CACHES))

		local_node = page_to_nid(virt_to_page(s));

		local_node = page_to_nid(virt_to_page(s));

	else

	else

		local_node = 0;

		local_node = 0;