Messages in this thread Patch in this message | | | Date | Fri, 22 May 2009 18:20:40 +0930 | From | Ron <> | Subject | [PATCH] slab: add missing guard for kernel_map_pages() use |
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All other uses of kernel_map_pages() are explicitly excluded without CONFIG_DEBUG_PAGEALLOC, this one should be too.
Signed-off-by: Ron Lee <ron@debian.org>
diff --git a/mm/slab.c b/mm/slab.c index 9a90b00..b5e5b27 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -2674,10 +2683,12 @@ static void cache_init_objs(struct kmem_cache *cachep, slab_error(cachep, "constructor overwrote the" " start of an object"); } +#ifdef CONFIG_DEBUG_PAGEALLOC if ((cachep->buffer_size % PAGE_SIZE) == 0 && OFF_SLAB(cachep) && cachep->flags & SLAB_POISON) kernel_map_pages(virt_to_page(objp), cachep->buffer_size / PAGE_SIZE, 0); +#endif #else if (cachep->ctor) cachep->ctor(objp);
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