* [merged] mm-sparc64-use-general-page-fault-accounting.patch removed from -mm tree
@ 2020-08-12 21:07 akpm
0 siblings, 0 replies; only message in thread
From: akpm @ 2020-08-12 21:07 UTC (permalink / raw)
To: davem, mm-commits, peterx
The patch titled
Subject: mm/sparc64: use general page fault accounting
has been removed from the -mm tree. Its filename was
mm-sparc64-use-general-page-fault-accounting.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Peter Xu <peterx@redhat.com>
Subject: mm/sparc64: use general page fault accounting
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.
Link: http://lkml.kernel.org/r/20200707225021.200906-22-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
arch/sparc/mm/fault_64.c | 11 +----------
1 file changed, 1 insertion(+), 10 deletions(-)
--- a/arch/sparc/mm/fault_64.c~mm-sparc64-use-general-page-fault-accounting
+++ a/arch/sparc/mm/fault_64.c
@@ -422,7 +422,7 @@ good_area:
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 @@ good_area:
}
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;
_
Patches currently in -mm which might be from peterx@redhat.com are
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2020-08-12 21:07 [merged] mm-sparc64-use-general-page-fault-accounting.patch removed from -mm tree akpm
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