From: Peter Xu <peterx@redhat.com>
To: linux-mm@kvack.org, linux-kernel@vger.kernel.org
Cc: Peter Xu <peterx@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Gerald Schaefer <gerald.schaefer@de.ibm.com>,
Andrea Arcangeli <aarcange@redhat.com>,
Will Deacon <will@kernel.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
linuxppc-dev@lists.ozlabs.org
Subject: [PATCH 16/26] mm/powerpc: Use general page fault accounting
Date: Fri, 26 Jun 2020 18:36:22 -0400 [thread overview]
Message-ID: <20200626223622.199765-1-peterx@redhat.com> (raw)
In-Reply-To: <20200626223130.199227-1-peterx@redhat.com>
Use the general page fault accounting by passing regs into handle_mm_fault().
CC: Michael Ellerman <mpe@ellerman.id.au>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: Paul Mackerras <paulus@samba.org>
CC: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Peter Xu <peterx@redhat.com>
---
arch/powerpc/mm/fault.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 992b10c3761c..e325d13efaf5 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -563,7 +563,7 @@ static int __do_page_fault(struct pt_regs *regs, unsigned long address,
* 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);
#ifdef CONFIG_PPC_MEM_KEYS
/*
@@ -604,14 +604,9 @@ static int __do_page_fault(struct pt_regs *regs, unsigned long address,
/*
* 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);
--
2.26.2
next prev parent reply other threads:[~2020-06-26 22:36 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-26 22:31 [PATCH 00/26] mm: Page fault accounting cleanups Peter Xu
2020-06-26 22:31 ` [PATCH 01/26] mm: Do page fault accounting in handle_mm_fault Peter Xu
2020-06-29 1:52 ` John Hubbard
2020-06-29 14:56 ` Peter Xu
2020-06-26 22:31 ` [PATCH 02/26] mm/alpha: Use general page fault accounting Peter Xu
2020-06-26 22:31 ` [PATCH 03/26] mm/arc: " Peter Xu
2020-06-26 22:31 ` [PATCH 04/26] mm/arm: " Peter Xu
2020-06-26 22:31 ` [PATCH 05/26] mm/arm64: " Peter Xu
2020-06-26 22:31 ` [PATCH 06/26] mm/csky: " Peter Xu
2020-06-26 22:31 ` [PATCH 07/26] mm/hexagon: " Peter Xu
2020-06-26 22:31 ` [PATCH 08/26] mm/ia64: " Peter Xu
2020-06-26 22:31 ` [PATCH 09/26] mm/m68k: " Peter Xu
2020-06-26 22:31 ` [PATCH 10/26] mm/microblaze: " Peter Xu
2020-06-26 22:31 ` [PATCH 11/26] mm/mips: " Peter Xu
2020-06-26 22:31 ` [PATCH 12/26] mm/nds32: " Peter Xu
2020-06-27 2:59 ` Greentime Hu
2020-06-26 22:36 ` [PATCH 13/26] mm/nios2: " Peter Xu
2020-06-26 22:36 ` [PATCH 14/26] mm/openrisc: " Peter Xu
2020-06-26 22:36 ` [PATCH 15/26] mm/parisc: " Peter Xu
2020-06-26 22:36 ` Peter Xu [this message]
2020-07-03 11:08 ` [PATCH 16/26] mm/powerpc: " Michael Ellerman
2020-06-26 22:36 ` [PATCH 17/26] mm/riscv: " Peter Xu
2020-07-01 11:46 ` Pekka Enberg
2020-07-02 15:51 ` Peter Xu
2020-07-11 19:43 ` Palmer Dabbelt
2020-07-14 15:12 ` Pekka Enberg
2020-06-26 22:36 ` [PATCH 18/26] mm/s390: " Peter Xu
2020-06-26 22:36 ` [PATCH 19/26] mm/sh: " Peter Xu
2020-06-26 22:36 ` [PATCH 20/26] mm/sparc32: " Peter Xu
2020-06-26 22:36 ` [PATCH 21/26] mm/sparc64: " Peter Xu
2020-06-26 22:36 ` [PATCH 22/26] mm/unicore32: " Peter Xu
2020-06-26 22:36 ` [PATCH 23/26] mm/x86: " Peter Xu
2020-06-26 22:36 ` [PATCH 24/26] mm/xtensa: " Peter Xu
2020-06-26 22:36 ` [PATCH 25/26] mm: Clean up the last pieces of page fault accountings Peter Xu
2020-06-26 22:36 ` [PATCH 26/26] mm/gup: Remove task_struct pointer for all gup code Peter Xu
-- strict thread matches above, loose matches on Subject: below --
2020-06-19 16:05 [PATCH 00/26] mm: Page fault accounting cleanups Peter Xu
2020-06-19 16:13 ` [PATCH 16/26] mm/powerpc: Use general page fault accounting Peter Xu
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