Messages in this thread Patch in this message | | | From | Peter Xu <> | Subject | [PATCH 17/25] mm/powerpc: Use mm_fault_accounting() | Date | Mon, 15 Jun 2020 18:15:59 -0400 |
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Use the new mm_fault_accounting() helper for page fault accounting.
cmo_account_page_fault() is special. Keep that.
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 | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-)
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index 84af6c8eecf7..6043b639ae42 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -481,8 +481,6 @@ static int __do_page_fault(struct pt_regs *regs, unsigned long address, if (!arch_irq_disabled_regs(regs)) local_irq_enable(); - perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address); - if (error_code & DSISR_KEYFAULT) return bad_key_fault_exception(regs, address, get_mm_addr_key(mm, address)); @@ -604,14 +602,11 @@ 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); - } + + mm_fault_accounting(current, regs, address, major); + return 0; } NOKPROBE_SYMBOL(__do_page_fault); -- 2.26.2
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