Hi David,
Any comment on this one? The tracing part review has been done.
Thanks,
Yang
On 12/9/2015 1:22 PM, Yang Shi wrote:
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: sparclinux@xxxxxxxxxxxxxxx
Signed-off-by: Yang Shi <yang.shi@xxxxxxxxxx>
---
arch/sparc/mm/gup.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/sparc/mm/gup.c b/arch/sparc/mm/gup.c
index 2e5c4fc..5a06c34 100644
--- a/arch/sparc/mm/gup.c
+++ b/arch/sparc/mm/gup.c
@@ -12,6 +12,8 @@
#include <linux/rwsem.h>
#include <asm/pgtable.h>
+#include <trace/events/gup.h>
+
/*
* The performance critical leaf functions are made noinline otherwise gcc
* inlines everything into a single function which results in too much
@@ -174,6 +176,8 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write,
len = (unsigned long) nr_pages << PAGE_SHIFT;
end = start + len;
+ trace_gup_get_user_pages_fast(start, nr_pages);
+
local_irq_save(flags);
pgdp = pgd_offset(mm, addr);
do {
@@ -236,6 +240,8 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write,
local_irq_enable();
+ trace_gup_get_user_pages_fast(start, nr_pages);
+
VM_BUG_ON(nr != (end - start) >> PAGE_SHIFT);
return nr;
--
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