[PATCH v5 21/25] mm/sparc64: Use general page fault accounting

[Peter Xu]

Use the general page fault accounting by passing regs into handle_mm_fault().
It naturally solve the issue of multiple page fault accounting when page fault
retry happened.

CC: David S. Miller <da...@davemloft.net>
CC: sparcli...@vger.kernel.org
Acked-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Peter Xu <pet...@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 9ebee14ee893..0a6bcc85fba7 100644
--- a/arch/sparc/mm/fault_64.c
+++ b/arch/sparc/mm/fault_64.c
@@ -422,7 +422,7 @@ 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;
@@ -438,15 +438,6 @@ 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