slub: kmalloc page allocator pass-through cleanup
This adds a proper function for kmalloc page allocator pass-through. While it
simplifies any code that does slab tracing code a lot, I think it's a
worthwhile cleanup in itself.
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Christoph Lameter <clameter@sgi.com>
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 5e6d3d6..a849c47 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -188,12 +188,16 @@
void *kmem_cache_alloc(struct kmem_cache *, gfp_t);
void *__kmalloc(size_t size, gfp_t flags);
+static __always_inline void *kmalloc_large(size_t size, gfp_t flags)
+{
+ return (void *)__get_free_pages(flags | __GFP_COMP, get_order(size));
+}
+
static __always_inline void *kmalloc(size_t size, gfp_t flags)
{
if (__builtin_constant_p(size)) {
if (size > PAGE_SIZE / 2)
- return (void *)__get_free_pages(flags | __GFP_COMP,
- get_order(size));
+ return kmalloc_large(size, flags);
if (!(flags & SLUB_DMA)) {
struct kmem_cache *s = kmalloc_slab(size);