hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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>
This commit is contained in:
Peter Zijlstra 2010-11-01 18:52:05 +01:00 committed by Ingo Molnar
parent eed01528a4
commit 034c6efa46
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/x86/kernel/cpu/perf_event_amd.c
View File

@ -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;
/*