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[PATCH] introduce and use kzalloc

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This patch introduces a kzalloc wrapper and converts kernel/ to use it.  It
saves a little program text.

Signed-off-by: Pekka Enberg <[email protected]>
Signed-off-by: Adrian Bunk <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Pekka J Enberg 2005-09-06 15:18:31 -07:00 • committed by Linus Torvalds
commit dd3927105b
7 changed files with 27 additions and 23 deletions
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18
mm/slab.c
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@ -2558,24 +2558,18 @@ void kmem_cache_free(kmem_cache_t *cachep, void *objp)
EXPORT_SYMBOL(kmem_cache_free);
/**
* kcalloc - allocate memory for an array. The memory is set to zero.
* @n: number of elements.
* @size: element size.
* 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 *kcalloc(size_t n, size_t size, unsigned int __nocast flags)
void *kzalloc(size_t size, unsigned int __nocast flags)
{
void *ret = NULL;
if (n != 0 && size > INT_MAX / n)
return ret;
ret = kmalloc(n * size, flags);
void *ret = kmalloc(size, flags);
if (ret)
memset(ret, 0, n * size);
memset(ret, 0, size);
return ret;
}
EXPORT_SYMBOL(kcalloc);
EXPORT_SYMBOL(kzalloc);
/**
* kfree - free previously allocated memory