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| author |   Pekka Enberg <penberg@cs.helsinki.fi> | 2007-05-06 14:48:40 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-07 12:12:50 -0700 |
| commit | fd76bab2fa6d8f3ef6b326a4c6ae442fa21d30a4 (patch) | |
| tree | 66f310ab9d7cdadfb79486700f1e01df7923ec14 /include/linux/slab.h | |
| parent | Revert "[PATCH] x86: __pa and __pa_symbol address space separation" (diff) | |
| download | linux-dev-fd76bab2fa6d8f3ef6b326a4c6ae442fa21d30a4.tar.xz linux-dev-fd76bab2fa6d8f3ef6b326a4c6ae442fa21d30a4.zip | |
slab: introduce krealloc
This introduce krealloc() that reallocates memory while keeping the contents
unchanged. The allocator avoids reallocation if the new size fits the
currently used cache. I also added a simple non-optimized version for
mm/slob.c for compatibility.
[akpm@linux-foundation.org: fix warnings]
Acked-by: Josef Sipek <jsipek@fsl.cs.sunysb.edu>
Acked-by: Matt Mackall <mpm@selenic.com>
Acked-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/slab.h')
| -rw-r--r-- | include/linux/slab.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/slab.h b/include/linux/slab.h index 1ef822e31c77..2f8f60ff294a 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -72,8 +72,9 @@ static inline void *kmem_cache_alloc_node(struct kmem_cache *cachep, */ void *__kmalloc(size_t, gfp_t); void *__kzalloc(size_t, gfp_t); +void * __must_check krealloc(const void *, size_t, gfp_t); void kfree(const void *); -unsigned int ksize(const void *); +size_t ksize(const void *); /** * kcalloc - allocate memory for an array. The memory is set to zero. |