diff options
author | Pekka Enberg <penberg@cs.helsinki.fi> | 2007-05-06 17:48:40 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-07 15:12:50 -0400 |
commit | fd76bab2fa6d8f3ef6b326a4c6ae442fa21d30a4 (patch) | |
tree | 66f310ab9d7cdadfb79486700f1e01df7923ec14 /include | |
parent | e3ebadd95cb621e2c7436f3d3646447ac9d5c16d (diff) |
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')
-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, | |||
72 | */ | 72 | */ |
73 | void *__kmalloc(size_t, gfp_t); | 73 | void *__kmalloc(size_t, gfp_t); |
74 | void *__kzalloc(size_t, gfp_t); | 74 | void *__kzalloc(size_t, gfp_t); |
75 | void * __must_check krealloc(const void *, size_t, gfp_t); | ||
75 | void kfree(const void *); | 76 | void kfree(const void *); |
76 | unsigned int ksize(const void *); | 77 | size_t ksize(const void *); |
77 | 78 | ||
78 | /** | 79 | /** |
79 | * kcalloc - allocate memory for an array. The memory is set to zero. | 80 | * kcalloc - allocate memory for an array. The memory is set to zero. |