Cc: linux...@vger.kernel.org
Signed-off-by: Yang Shi <yang....@linaro.org>
---
arch/sh/mm/gup.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/sh/mm/gup.c b/arch/sh/mm/gup.c
index e7af6a6..6df3e97 100644
--- a/arch/sh/mm/gup.c
+++ b/arch/sh/mm/gup.c
@@ -12,6 +12,10 @@
#include <linux/mm.h>
#include <linux/vmstat.h>
#include <linux/highmem.h>
+
+#define CREATE_TRACE_POINTS
+#include <trace/events/gup.h>
+
#include <asm/pgtable.h>
static inline pte_t gup_get_pte(pte_t *ptep)
@@ -178,6 +182,8 @@ int __get_user_pages_fast(unsigned long start, int
nr_pages, int write,
(void __user *)start, len)))
return 0;
+ trace_gup_get_user_pages_fast(start, nr_pages, write, pages);
+
/*
* This doesn't prevent pagetable teardown, but does prevent
* the pagetables and pages from being freed.
@@ -231,6 +237,8 @@ int get_user_pages_fast(unsigned long start, int nr_pages,
int write,
if (end < start)
goto slow_irqon;
+ trace_gup_get_user_pages_fast(start, nr_pages, write, pages);
+
local_irq_disable();
pgdp = pgd_offset(mm, addr);
do {
--
2.0.2
--
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