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authorPekka Enberg <penberg@cs.helsinki.fi>2006-03-25 12:06:43 +0100
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-25 17:22:49 +0100
commit40c07ae8daa659b8feb149c84731629386873c16 (patch)
tree77d9e7572135de30f184103cc6dd36f9c0f8dfbf /mm/util.c
parent[PATCH] slab: introduce kmem_cache_zalloc allocator (diff)
downloadlinux-40c07ae8daa659b8feb149c84731629386873c16.tar.xz
linux-40c07ae8daa659b8feb149c84731629386873c16.zip
[PATCH] slab: optimize constant-size kzalloc calls
As suggested by Eric Dumazet, optimize kzalloc() calls that pass a compile-time constant size. Please note that the patch increases kernel text slightly (~200 bytes for defconfig on x86). Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm/util.c')
-rw-r--r--mm/util.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/util.c b/mm/util.c
index b68d3d7d0359..7368479220b3 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -5,18 +5,18 @@
#include <asm/uaccess.h>
/**
- * kzalloc - allocate memory. The memory is set to zero.
+ * __kzalloc - allocate memory. The memory is set to zero.
* @size: how many bytes of memory are required.
* @flags: the type of memory to allocate.
*/
-void *kzalloc(size_t size, gfp_t flags)
+void *__kzalloc(size_t size, gfp_t flags)
{
void *ret = ____kmalloc(size, flags);
if (ret)
memset(ret, 0, size);
return ret;
}
-EXPORT_SYMBOL(kzalloc);
+EXPORT_SYMBOL(__kzalloc);
/*
* kstrdup - allocate space for and copy an existing string