> -----Original Message-----
> From: linux-hexagon-owner@xxxxxxxxxxxxxxx <linux-hexagon-
...
Acked-by: Brian Cain <bcain@xxxxxxxxxxxxxx>
> CC: Brian Cain <bcain@xxxxxxxxxxxxxx>
> CC: linux-hexagon@xxxxxxxxxxxxxxx
> Signed-off-by: Peter Xu <peterx@xxxxxxxxxx>
> ---
> arch/hexagon/mm/vm_fault.c | 9 ++++-----
> 1 file changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/arch/hexagon/mm/vm_fault.c b/arch/hexagon/mm/vm_fault.c
> index f12f330e7946..ef32c5a84ff3 100644
> --- a/arch/hexagon/mm/vm_fault.c
> +++ b/arch/hexagon/mm/vm_fault.c
> @@ -18,6 +18,7 @@
> #include <linux/signal.h>
> #include <linux/extable.h>
> #include <linux/hardirq.h>
> +#include <linux/perf_event.h>
>
> /*
> * Decode of hardware exception sends us to one of several @@ -53,6 +54,8
> @@ void do_page_fault(unsigned long address, long cause, struct pt_regs
> *regs)
>
> if (user_mode(regs))
> flags |= FAULT_FLAG_USER;
> +
> + perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
> retry:
> mmap_read_lock(mm);
> vma = find_vma(mm, address);
> @@ -88,7 +91,7 @@ void do_page_fault(unsigned long address, long cause,
> struct pt_regs *regs)
> break;
> }
>
> - fault = handle_mm_fault(vma, address, flags, NULL);
> + fault = handle_mm_fault(vma, address, flags, regs);
>
> if (fault_signal_pending(fault, regs))
> return;
> @@ -96,10 +99,6 @@ void do_page_fault(unsigned long address, long cause,
> struct pt_regs *regs)
> /* The most common case -- we are done. */
> if (likely(!(fault & VM_FAULT_ERROR))) {
> if (flags & FAULT_FLAG_ALLOW_RETRY) {
> - if (fault & VM_FAULT_MAJOR)
> - current->maj_flt++;
> - else
> - current->min_flt++;
> if (fault & VM_FAULT_RETRY) {
> flags |= FAULT_FLAG_TRIED;
> goto retry;
> --
> 2.26.2
