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slub: Add kmalloc_large_node() to support kmalloc_node fallback

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Slub is missing some NUMA support for large kmallocs. Provide that.

Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Christoph Lameter <clameter@sgi.com>
This commit is contained in:
Christoph Lameter 2008-03-01 13:56:40 -08:00
parent 7693143481
commit f619cfe1bd
1 changed files with 13 additions and 2 deletions
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15
mm/slub.c
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@ -2592,13 +2592,24 @@ void *__kmalloc(size_t size, gfp_t flags)
} }
EXPORT_SYMBOL(__kmalloc); EXPORT_SYMBOL(__kmalloc);
static void *kmalloc_large_node(size_t size, gfp_t flags, int node)
{
struct page *page = alloc_pages_node(node, flags | __GFP_COMP,
get_order(size));
if (page)
return page_address(page);
else
return NULL;
}
#ifdef CONFIG_NUMA #ifdef CONFIG_NUMA
void *__kmalloc_node(size_t size, gfp_t flags, int node) void *__kmalloc_node(size_t size, gfp_t flags, int node)
{ {
struct kmem_cache *s; struct kmem_cache *s;
if (unlikely(size > PAGE_SIZE)) if (unlikely(size > PAGE_SIZE))
return kmalloc_large(size, flags); return kmalloc_large_node(size, flags, node);
s = get_slab(size, flags); s = get_slab(size, flags);
@ -3146,7 +3157,7 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
struct kmem_cache *s; struct kmem_cache *s;
if (unlikely(size > PAGE_SIZE)) if (unlikely(size > PAGE_SIZE))
return kmalloc_large(size, gfpflags); return kmalloc_large_node(size, gfpflags, node);
s = get_slab(size, gfpflags); s = get_slab(size, gfpflags);