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authorOlof Johansson <olof@lixom.net>2015-04-20 07:59:04 -0700
committerOlof Johansson <olof@lixom.net>2015-04-20 07:59:04 -0700
commitcdaa8cf34863028dab238e1498555bf12d693244 (patch)
tree0034305d152c3c4887b81c8983d0f298e6e3f6cb /arch/arc/mm/fault.c
parent30a5c1894a4c932f5a417f0a6ec369c7da81204b (diff)
parent98b80987c940956da48f0c703f60340128bb8521 (diff)
Merge branch 'fixes' into next/fixes-non-critical
Merge a set of fixes that we missed sending in before v4.0 release. These will also be sent to -stable. * fixes: (659 commits) ARM: at91/dt: sama5d3 xplained: add phy address for macb1 kbuild: Create directory for target DTB ARM: mvebu: Disable CPU Idle on Armada 38x arm64: juno: Fix misleading name of UART reference clock ARM: dts: sunxi: Remove overclocked/overvoltaged OPP ARM: dts: sun4i: a10-lime: Override and remove 1008MHz OPP setting ARM: socfpga: dts: fix spi1 interrupt ARM: dts: Fix gpio interrupts for dm816x ARM: dts: dra7: remove ti,hwmod property from pcie phy ARM: EXYNOS: Fix build breakage cpuidle on !SMP ARM: OMAP: dmtimer: disable pm runtime on remove ARM: OMAP: dmtimer: check for pm_runtime_get_sync() failure ARM: dts: fix lid and power pin-functions for exynos5250-spring ARM: dts: fix mmc node updates for exynos5250-spring ARM: OMAP2+: Fix socbus family info for AM33xx devices ARM: dts: omap3: Add missing dmas for crypto + Linux 4.0-rc4 Signed-off-by: Olof Johansson <olof@lixom.net>
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;