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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2010-11-01 17:52:05 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-11-10 21:58:40 (GMT) |
| commit | 034c6efa4616e5ff6253549e973e7fef12899324 (patch) | |
| tree | 7a695a818903246cbc11b4986de2d47d3d98b96a | |
| parent | eed01528a45dc4138e9a08064b4b6cc1a9426899 (diff) | |
| download | linux-034c6efa4616e5ff6253549e973e7fef12899324.tar.xz | |
perf, amd: Use kmalloc_node(,__GFP_ZERO) for northbridge structure allocation
Jasper suggested we use the zeroing capability of the allocators
instead of calling memset ourselves. Add node affinity while we're at
it.
Reported-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event_amd.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/perf_event_amd.c b/arch/x86/kernel/cpu/perf_event_amd.c index 46d5844..e421b8c 100644 --- a/arch/x86/kernel/cpu/perf_event_amd.c +++ b/arch/x86/kernel/cpu/perf_event_amd.c @@ -280,11 +280,11 @@ static struct amd_nb *amd_alloc_nb(int cpu, int nb_id) struct amd_nb *nb; int i; - nb = kmalloc(sizeof(struct amd_nb), GFP_KERNEL); + nb = kmalloc_node(sizeof(struct amd_nb), GFP_KERNEL | __GFP_ZERO, + cpu_to_node(cpu)); if (!nb) return NULL; - memset(nb, 0, sizeof(*nb)); nb->nb_id = nb_id; /* |