Cc: linux...@vger.kernel.org
Signed-off-by: Yang Shi <yang....@linaro.org>
---
arch/sh/mm/gup.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/sh/mm/gup.c b/arch/sh/mm/gup.c
index e7af6a6..dc80480 100644
--- a/arch/sh/mm/gup.c
+++ b/arch/sh/mm/gup.c
@@ -14,6 +14,8 @@
#include <linux/highmem.h>
#include <asm/pgtable.h>
+#include <trace/events/gup.h>
+
static inline pte_t gup_get_pte(pte_t *ptep)
{
#ifndef CONFIG_X2TLB
@@ -178,6 +180,8 @@ 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);
+
/*
* This doesn't prevent pagetable teardown, but does prevent
* the pagetables and pages from being freed.
@@ -244,6 +248,8 @@ int get_user_pages_fast(unsigned long start, int nr_pages,
int write,
} while (pgdp++, addr = next, addr != end);
local_irq_enable();
+ trace_gup_get_user_pages_fast(start, nr_pages);
+
VM_BUG_ON(nr != (end - start) >> PAGE_SHIFT);
return nr;
--
2.0.2
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