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Slab allocators: Replace explicit zeroing with __GFP_ZERO

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kmalloc_node() and kmem_cache_alloc_node() were not available in a zeroing
variant in the past.  But with __GFP_ZERO it is possible now to do zeroing
while allocating.

Use __GFP_ZERO to remove the explicit clearing of memory via memset whereever
we can.

Signed-off-by: Christoph Lameter <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Christoph Lameter 2007-07-17 04:03:29 -07:00 • committed by Linus Torvalds
commit 94f6030ca7
12 changed files with 30 additions and 38 deletions
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3
block/deadline-iosched.c
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@ -360,10 +360,9 @@ static void *deadline_init_queue(request_queue_t *q)
{
struct deadline_data *dd;
dd = kmalloc_node(sizeof(*dd), GFP_KERNEL, q->node);
dd = kmalloc_node(sizeof(*dd), GFP_KERNEL | __GFP_ZERO, q->node);
if (!dd)
return NULL;
memset(dd, 0, sizeof(*dd));
INIT_LIST_HEAD(&dd->fifo_list[READ]);
INIT_LIST_HEAD(&dd->fifo_list[WRITE]);