The patch titled
Subject: mm/powerpc: use general page fault accounting
has been removed from the -mm tree. Its filename was
mm-powerpc-use-general-page-fault-accounting.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Peter Xu <peterx@xxxxxxxxxx>
Subject: mm/powerpc: use general page fault accounting
Use the general page fault accounting by passing regs into
handle_mm_fault().
Link: http://lkml.kernel.org/r/20200707225021.200906-17-peterx@xxxxxxxxxx
Signed-off-by: Peter Xu <peterx@xxxxxxxxxx>
Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/powerpc/mm/fault.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
--- a/arch/powerpc/mm/fault.c~mm-powerpc-use-general-page-fault-accounting
+++ a/arch/powerpc/mm/fault.c
@@ -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);
_
Patches currently in -mm which might be from peterx@xxxxxxxxxx are
