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authorPeter Xu <peterx@redhat.com>2020-08-12 04:38:43 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2020-08-12 20:58:03 +0300
commit56e10e6ab11924b19b7c9583750fdd4e440e25c8 (patch)
tree7e968027207ff70962f9df549b8cc8ec07383d44 /arch/sparc
parent105f886220e944b6aa01accfad59af49341703c4 (diff)
downloadlinux-56e10e6ab11924b19b7c9583750fdd4e440e25c8.tar.xz
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>
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/mm/fault_32.c11
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;