Commit 034c6efa authored Nov 01, 2010 by Peter Zijlstra Committed by Ingo Molnar Nov 10, 2010

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>

parent eed01528

arch/x86/kernel/cpu/perf_event_amd.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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;

		/*