Cc: linux-m...@linux-mips.org
Acked-by: Ralf Baechle <r...@linux-mips.org>
Signed-off-by: Yang Shi <yang....@linaro.org>
---
arch/mips/mm/gup.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/mips/mm/gup.c b/arch/mips/mm/gup.c
index 349995d..3c5b8c8 100644
--- a/arch/mips/mm/gup.c
+++ b/arch/mips/mm/gup.c
@@ -12,6 +12,9 @@
#include <linux/swap.h>
#include <linux/hugetlb.h>
+#define CREATE_TRACE_POINTS
+#include <trace/events/gup.h>
+
#include <asm/cpu-features.h>
#include <asm/pgtable.h>
@@ -211,6 +214,8 @@ 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);
+
/*
* XXX: batch / limit 'nr', to avoid large irq off latency
* needs some instrumenting to determine the common sizes used by
@@ -277,6 +282,8 @@ int get_user_pages_fast(unsigned long start, int nr_pages,
int write,
if (end < start || cpu_has_dc_aliases)
goto slow_irqon;
+ trace_gup_get_user_pages_fast(start, nr_pages, write, pages);
+
/* XXX: batch / limit 'nr' */
local_irq_disable();
pgdp = pgd_offset(mm, addr);
--
2.0.2
--
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