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mm/powerpc: use general page fault accounting 

Use the general page fault accounting by passing regs into
handle_mm_fault().

Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Link: http://lkml.kernel.org/r/20200707225021.200906-17-peterx@redhat.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
zero-sugar-mainline-defconfig
Peter Xu 2020-08-11 18:38:31 -07:00 committed by Linus Torvalds
parent af8a792627
commit 428fdc0944
1 changed files with 3 additions and 8 deletions
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11
arch/powerpc/mm/fault.c
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@ -511,7 +511,7 @@ retry:
* 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);
major |= fault & VM_FAULT_MAJOR;
@ -537,14 +537,9 @@ retry:
/*
* Major/minor page fault accounting.
*/
if (major) {
current->maj_flt++;
perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, regs, address);
if (major)
cmo_account_page_fault();
} else {
current->min_flt++;
perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, regs, address);
}
return 0;
}
NOKPROBE_SYMBOL(__do_page_fault);