Re: [PATCH 11/26] mm/mips: Use general page fault accounting

Thomas Bogendoerfer
2020-06-25T08:31:20Z

On Fri, Jun 19, 2020 at 12:05:23PM -0400, Peter Xu wrote:
> Use the general page fault accounting by passing regs into handle_mm_fault().
> It naturally solve the issue of multiple page fault accounting when page fault
> retry happened.
>
> Fix PERF_COUNT_SW_PAGE_FAULTS perf event manually for page fault retries, by
> moving it before taking mmap_sem.
>
> CC: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
> CC: linux-mips@vger.kernel.org
> Signed-off-by: Peter Xu <peterx@redhat.com>
> ---
> arch/mips/mm/fault.c | 14 +++-----------
> 1 file changed, 3 insertions(+), 11 deletions(-)

Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Thomas.

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