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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-02-02 11:30:08 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-02-02 11:30:08 -0800 |
| commit | 7b383bef25e493cc4f047e44ebd6c3ccfd6d1cc5 (patch) | |
| tree | 4a8379bb6d5929cf72c916da8e5bc7532aa43841 /include | |
| parent | 87af5e5c22568201dfbda5cac9c76e96982adc9c (diff) | |
| parent | cb8ee1a3d429f8898972c869dd4792afb04e961a (diff) | |
| download | lwn-7b383bef25e493cc4f047e44ebd6c3ccfd6d1cc5.tar.gz lwn-7b383bef25e493cc4f047e44ebd6c3ccfd6d1cc5.zip | |
Merge branch 'slab/next' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux
Pull SLAB changes from Pekka Enberg:
"Random bug fixes that have accumulated in my inbox over the past few
months"
* 'slab/next' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux:
mm: Fix warning on make htmldocs caused by slab.c
mm: slub: work around unneeded lockdep warning
mm: sl[uo]b: fix misleading comments
slub: Fix possible format string bug.
slub: use lockdep_assert_held
slub: Fix calculation of cpu slabs
slab.h: remove duplicate kmalloc declaration and fix kernel-doc warnings
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/slab.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/slab.h b/include/linux/slab.h index a060142aa5f5..9260abdd67df 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -205,8 +205,8 @@ struct kmem_cache { #ifdef CONFIG_SLUB /* - * SLUB allocates up to order 2 pages directly and otherwise - * passes the request to the page allocator. + * SLUB directly allocates requests fitting in to an order-1 page + * (PAGE_SIZE*2). Larger requests are passed to the page allocator. */ #define KMALLOC_SHIFT_HIGH (PAGE_SHIFT + 1) #define KMALLOC_SHIFT_MAX (MAX_ORDER + PAGE_SHIFT) @@ -217,12 +217,12 @@ struct kmem_cache { #ifdef CONFIG_SLOB /* - * SLOB passes all page size and larger requests to the page allocator. + * SLOB passes all requests larger than one page to the page allocator. * No kmalloc array is necessary since objects of different sizes can * be allocated from the same page. */ -#define KMALLOC_SHIFT_MAX 30 #define KMALLOC_SHIFT_HIGH PAGE_SHIFT +#define KMALLOC_SHIFT_MAX 30 #ifndef KMALLOC_SHIFT_LOW #define KMALLOC_SHIFT_LOW 3 #endif |