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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Use the new mm_fault_accounting() helper for page fault accounting. CC: Catalin Marinas CC: Will Deacon CC: linux-arm-kernel@lists.infradead.org Signed-off-by: Peter Xu --- arch/arm64/mm/fault.c | 17 ++--------------- 1 file changed, 2 insertions(+), 15 deletions(-) diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index c9cedc0432d2..09af7d7a60ec 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -484,8 +484,6 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr, addr, esr, regs); } - perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, addr); - /* * As per x86, we may deadlock here. However, since the kernel only * validly references user space from well defined areas of the code, @@ -535,20 +533,9 @@ static int __kprobes do_page_fault(unsigned long addr, unsigned int esr, VM_FAULT_BADACCESS)))) { /* * Major/minor page fault accounting is only done - * once. If we go through a retry, it is extremely - * likely that the page will be found in page cache at - * that point. + * once. */ - if (major) { - current->maj_flt++; - perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, regs, - addr); - } else { - current->min_flt++; - perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, regs, - addr); - } - + mm_fault_accounting(current, regs, address, major); return 0; } -- 2.26.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel