[PATCH 21/26] mm/sparc64: Use general page fault accounting

Peter Xu
2020-06-19T16:14:54Z

retry happened.

CC: David S. Miller <davem@davemloft.net>
CC: sparclinux@vger.kernel.org
Signed-off-by: Peter Xu <peterx@redhat.com>
---
arch/sparc/mm/fault_64.c | 11 +----------
1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
index 6b702a0a8155..fe8854d447ed 100644
--- a/arch/sparc/mm/fault_64.c
+++ b/arch/sparc/mm/fault_64.c
@@ -423,7 +423,7 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
goto bad_area;
}

- fault = handle_mm_fault(vma, address, flags, NULL);
+ fault = handle_mm_fault(vma, address, flags, regs);

if (fault_signal_pending(fault, regs))
goto exit_exception;
@@ -439,15 +439,6 @@ asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs)
}

if (flags & FAULT_FLAG_ALLOW_RETRY) {
- if (fault & VM_FAULT_MAJOR) {
- current->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ,
- 1, regs, address);
- } else {
- current->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN,
- 1, regs, address);
- }
if (fault & VM_FAULT_RETRY) {
flags |= FAULT_FLAG_TRIED;

--
2.26.2