Messages in this thread Patch in this message | | | From | Peter Xu <> | Subject | [PATCH 16/26] mm/powerpc: Use general page fault accounting | Date | Fri, 26 Jun 2020 18:36:22 -0400 |
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Use the general page fault accounting by passing regs into handle_mm_fault().
CC: Michael Ellerman <mpe@ellerman.id.au> CC: Benjamin Herrenschmidt <benh@kernel.crashing.org> CC: Paul Mackerras <paulus@samba.org> CC: linuxppc-dev@lists.ozlabs.org Signed-off-by: Peter Xu <peterx@redhat.com> --- arch/powerpc/mm/fault.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index 992b10c3761c..e325d13efaf5 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -563,7 +563,7 @@ static int __do_page_fault(struct pt_regs *regs, unsigned long address, * 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); #ifdef CONFIG_PPC_MEM_KEYS /* @@ -604,14 +604,9 @@ static int __do_page_fault(struct pt_regs *regs, unsigned long address, /* * 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); -- 2.26.2
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