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@xxxxxxxxxxxxxxxx> > CC: linux-mips@xxxxxxxxxxxxxxx > Signed-off-by: Peter Xu <peterx@xxxxxxxxxx> > --- > arch/mips/mm/fault.c | 14 +++----------- > 1 file changed, 3 insertions(+), 11 deletions(-) Acked-by: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx> Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]
