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authorTakashi Iwai <tiwai@suse.de>2015-03-09 08:42:00 +0100
committerTakashi Iwai <tiwai@suse.de>2015-03-09 08:42:00 +0100
commit4aa01c408b7022c620241b373d4c3707a2ebeab6 (patch)
tree25df2a7453ec3bf7fc82f2871756b4efd6d3d283 /arch/arc/mm/fault.c
parent5371fc0ecdf55b6811ade8a198de8ace2f4e5861 (diff)
parenta1f3f1ca66bd12c339b17a0c2ef93a093f90a277 (diff)
Merge branch 'for-linus' into for-next
Merging the HD-audio fixes back to base devel branch for further working on it.
Diffstat (limited to 'arch/arc/mm/fault.c')
-rw-r--r--arch/arc/mm/fault.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/arc/mm/fault.c b/arch/arc/mm/fault.c
index 563cb27e37f5..6a2e006cbcce 100644
--- a/arch/arc/mm/fault.c
+++ b/arch/arc/mm/fault.c
@@ -14,6 +14,7 @@
#include <linux/ptrace.h>
#include <linux/uaccess.h>
#include <linux/kdebug.h>
+#include <linux/perf_event.h>
#include <asm/pgalloc.h>
#include <asm/mmu.h>
@@ -139,13 +140,20 @@ good_area:
return;
}
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
+
if (likely(!(fault & VM_FAULT_ERROR))) {
if (flags & FAULT_FLAG_ALLOW_RETRY) {
/* To avoid updating stats twice for retry case */
- if (fault & VM_FAULT_MAJOR)
+ if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- else
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
+ regs, address);
+ } else {
tsk->min_flt++;
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
+ regs, address);
+ }
if (fault & VM_FAULT_RETRY) {
flags &= ~FAULT_FLAG_ALLOW_RETRY;