On Tue, Dec 01, 2015 at 03:06:14PM -0800, Yang Shi wrote:
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);
Acked-by: Ralf Baechle ralf@linux-mips.org
Please feel free to merge this upstream with the remainder of the series once it's been acked.
Ralf