mm/powerpc: use general page fault accounting (428fdc09) · Commits · 戴 / test

Use the general page fault accounting by passing regs into handle_mm_fault(). Signed-off-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:

arch/powerpc/mm/fault.c

+3 −8

Original line number	Diff line number	Diff line
		@@ -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);