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| author |   Peter Xu <peterx@redhat.com> | 2020-08-11 18:38:43 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-12 10:58:03 -0700 |
| commit | 56e10e6ab11924b19b7c9583750fdd4e440e25c8 (patch) | |
| tree | 7e968027207ff70962f9df549b8cc8ec07383d44 | |
| parent | mm/sh: use general page fault accounting (diff) | |
| download | wireguard-linux-56e10e6ab11924b19b7c9583750fdd4e440e25c8.tar.xz wireguard-linux-56e10e6ab11924b19b7c9583750fdd4e440e25c8.zip | |
mm/sparc32: use general page fault accounting
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.
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: David S. Miller <davem@davemloft.net>
Link: http://lkml.kernel.org/r/20200707225021.200906-21-peterx@redhat.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | arch/sparc/mm/fault_32.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c index 06af03db4417..8071bfd72349 100644 --- a/arch/sparc/mm/fault_32.c +++ b/arch/sparc/mm/fault_32.c @@ -234,7 +234,7 @@ good_area: * make sure we exit gracefully rather than endlessly redo * the fault. */ - fault = handle_mm_fault(vma, address, flags, NULL); + fault = handle_mm_fault(vma, address, flags, regs); if (fault_signal_pending(fault, regs)) return; @@ -250,15 +250,6 @@ good_area: } if (flags & FAULT_FLAG_ALLOW_RETRY) { - if (fault & VM_FAULT_MAJOR) { - current->maj_flt++; - perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, - 1, regs, address); - } else { - current->min_flt++; - perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, - 1, regs, address); - } if (fault & VM_FAULT_RETRY) { flags |= FAULT_FLAG_TRIED; |