[PATCH] slob: introduce mm/util.c for shared functions

Add mm/util.c for functions common between SLAB and SLOB.

Signed-off-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Matt Mackall
2006-01-08 01:01:43 -08:00
committed by Linus Torvalds
parent 50dd26ba09
commit 30992c97ae
3 changed files with 40 additions and 38 deletions

View File

@@ -3052,20 +3052,6 @@ void kmem_cache_free(kmem_cache_t *cachep, void *objp)
}
EXPORT_SYMBOL(kmem_cache_free);
/**
* 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 *ret = kmalloc(size, flags);
if (ret)
memset(ret, 0, size);
return ret;
}
EXPORT_SYMBOL(kzalloc);
/**
* kfree - free previously allocated memory
* @objp: pointer returned by kmalloc.
@@ -3659,26 +3645,3 @@ unsigned int ksize(const void *objp)
return obj_reallen(page_get_cache(virt_to_page(objp)));
}
/*
* kstrdup - allocate space for and copy an existing string
*
* @s: the string to duplicate
* @gfp: the GFP mask used in the kmalloc() call when allocating memory
*/
char *kstrdup(const char *s, gfp_t gfp)
{
size_t len;
char *buf;
if (!s)
return NULL;
len = strlen(s) + 1;
buf = kmalloc(len, gfp);
if (buf)
memcpy(buf, s, len);
return buf;
}
EXPORT_SYMBOL(kstrdup);