Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752125AbaDDG1c (ORCPT ); Fri, 4 Apr 2014 02:27:32 -0400 Received: from e28smtp05.in.ibm.com ([122.248.162.5]:36338 "EHLO e28smtp05.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751155AbaDDG11 (ORCPT ); Fri, 4 Apr 2014 02:27:27 -0400 From: Madhavan Srinivasan To: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, x86@kernel.org Cc: benh@kernel.crashing.org, paulus@samba.org, kirill.shutemov@linux.intel.com, rusty@rustcorp.com.au, akpm@linux-foundation.org, riel@redhat.com, mgorman@suse.de, ak@linux.intel.com, peterz@infradead.org, mingo@kernel.org, Madhavan Srinivasan Subject: [PATCH V2 0/2] FAULT_AROUND_ORDER patchset performance data for powerpc Date: Fri, 4 Apr 2014 11:57:13 +0530 Message-Id: <1396592835-24767-1-git-send-email-maddy@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.10.4 X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14040406-8256-0000-0000-00000C4A6853 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Kirill A. Shutemov with faultaround patchset introduced vm_ops->map_pages() for mapping easy accessible pages around fault address in hope to reduce number of minor page faults. This patchset creates infrastructure to move the FAULT_AROUND_ORDER to arch/ using Kconfig. This will enable architecture maintainers to decide on suitable FAULT_AROUND_ORDER value based on performance data for that architecture. First patch also adds FAULT_AROUND_ORDER Kconfig element for X86. Second patch list out the performance numbers for powerpc (platform pseries) and adds FAULT_AROUND_ORDER Kconfig element for powerpc. V2 Changes: Created Kconfig parameter for FAULT_AROUND_ORDER Added check in do_read_fault to handle FAULT_AROUND_ORDER value of 0 Made changes in commit messages. Madhavan Srinivasan (2): mm: move FAULT_AROUND_ORDER to arch/ mm: add FAULT_AROUND_ORDER Kconfig paramater for powerpc arch/powerpc/platforms/pseries/Kconfig | 5 +++++ arch/x86/Kconfig | 4 ++++ include/linux/mm.h | 9 +++++++++ mm/memory.c | 12 +++++------- 4 files changed, 23 insertions(+), 7 deletions(-) -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/