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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 <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Christoph Lameter
2007-07-17 04:03:29 -07:00
committed by Linus Torvalds
parent 81cda66261
commit 94f6030ca7
12 changed files with 30 additions and 38 deletions
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4
kernel/timer.c
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@@ -1221,7 +1221,8 @@ static int __devinit init_timers_cpu(int cpu)
/*
* The APs use this path later in boot
*/
base = kmalloc_node(sizeof(*base), GFP_KERNEL,
base = kmalloc_node(sizeof(*base),
GFP_KERNEL | __GFP_ZERO,
cpu_to_node(cpu));
if (!base)
return -ENOMEM;
@@ -1232,7 +1233,6 @@ static int __devinit init_timers_cpu(int cpu)
kfree(base);
return -ENOMEM;
}
memset(base, 0, sizeof(*base));
per_cpu(tvec_bases, cpu) = base;
} else {
/*