From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755865AbXJaHxF (ORCPT ); Wed, 31 Oct 2007 03:53:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753230AbXJaHwz (ORCPT ); Wed, 31 Oct 2007 03:52:55 -0400 Received: from e2.ny.us.ibm.com ([32.97.182.142]:46497 "EHLO e2.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753289AbXJaHwy (ORCPT ); Wed, 31 Oct 2007 03:52:54 -0400 From: Balbir Singh To: Andrew Morton Cc: Nick Piggin , Linux MM Mailing List , Balbir Singh , Linux Kernel Mailing List Date: Wed, 31 Oct 2007 13:22:43 +0530 Message-Id: <20071031075243.22225.53636.sendpatchset@balbir-laptop> Subject: [PATCH] Swap delay accounting, include lock_page() delays Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Reported-by: Nick Piggin The delay incurred in lock_page() should also be accounted in swap delay accounting Signed-off-by: Balbir Singh --- mm/memory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN mm/swapfile.c~fix-delay-accounting-swap-accounting mm/swapfile.c diff -puN mm/memory.c~fix-delay-accounting-swap-accounting mm/memory.c --- linux-2.6-latest/mm/memory.c~fix-delay-accounting-swap-accounting 2007-10-31 12:58:05.000000000 +0530 +++ linux-2.6-latest-balbir/mm/memory.c 2007-10-31 13:02:50.000000000 +0530 @@ -2084,9 +2084,9 @@ static int do_swap_page(struct mm_struct count_vm_event(PGMAJFAULT); } - delayacct_clear_flag(DELAYACCT_PF_SWAPIN); mark_page_accessed(page); lock_page(page); + delayacct_clear_flag(DELAYACCT_PF_SWAPIN); /* * Back out if somebody else already faulted in this pte. _ -- Warm Regards, Balbir Singh Linux Technology Center IBM, ISTL