From patchwork Mon Aug 20 13:52:30 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kirill A . Shutemov" X-Patchwork-Id: 1348741 Return-Path: X-Original-To: patchwork-linux-sh@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 5D9583FD40 for ; Mon, 20 Aug 2012 13:55:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754306Ab2HTNwl (ORCPT ); Mon, 20 Aug 2012 09:52:41 -0400 Received: from mga09.intel.com ([134.134.136.24]:62428 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752765Ab2HTNwj (ORCPT ); Mon, 20 Aug 2012 09:52:39 -0400 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP; 20 Aug 2012 06:52:38 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.77,797,1336374000"; d="scan'208";a="182911831" Received: from blue.fi.intel.com ([10.237.72.50]) by orsmga001.jf.intel.com with ESMTP; 20 Aug 2012 06:52:32 -0700 Received: by blue.fi.intel.com (Postfix, from userid 1000) id 725EBE0083; Mon, 20 Aug 2012 16:52:43 +0300 (EEST) From: "Kirill A. Shutemov" To: linux-mm@kvack.org Cc: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, Andi Kleen , "Kirill A. Shutemov" , Tim Chen , Alex Shi , Jan Beulich , Robert Richter , Andy Lutomirski , Andrew Morton , Andrea Arcangeli , Johannes Weiner , Hugh Dickins , KAMEZAWA Hiroyuki , Mel Gorman , linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-mips@linux-mips.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org Subject: [PATCH v4 1/8] THP: Use real address for NUMA policy Date: Mon, 20 Aug 2012 16:52:30 +0300 Message-Id: <1345470757-12005-2-git-send-email-kirill.shutemov@linux.intel.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1345470757-12005-1-git-send-email-kirill.shutemov@linux.intel.com> References: <1345470757-12005-1-git-send-email-kirill.shutemov@linux.intel.com> Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org From: Andi Kleen Use the fault address, not the rounded down hpage address for NUMA policy purposes. In some circumstances this can give more exact NUMA policy. Signed-off-by: Andi Kleen Signed-off-by: Kirill A. Shutemov --- mm/huge_memory.c | 8 ++++---- 1 files changed, 4 insertions(+), 4 deletions(-) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 57c4b93..70737ec 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -681,11 +681,11 @@ static inline gfp_t alloc_hugepage_gfpmask(int defrag, gfp_t extra_gfp) static inline struct page *alloc_hugepage_vma(int defrag, struct vm_area_struct *vma, - unsigned long haddr, int nd, + unsigned long address, int nd, gfp_t extra_gfp) { return alloc_pages_vma(alloc_hugepage_gfpmask(defrag, extra_gfp), - HPAGE_PMD_ORDER, vma, haddr, nd); + HPAGE_PMD_ORDER, vma, address, nd); } #ifndef CONFIG_NUMA @@ -710,7 +710,7 @@ int do_huge_pmd_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma, if (unlikely(khugepaged_enter(vma))) return VM_FAULT_OOM; page = alloc_hugepage_vma(transparent_hugepage_defrag(vma), - vma, haddr, numa_node_id(), 0); + vma, address, numa_node_id(), 0); if (unlikely(!page)) { count_vm_event(THP_FAULT_FALLBACK); goto out; @@ -944,7 +944,7 @@ int do_huge_pmd_wp_page(struct mm_struct *mm, struct vm_area_struct *vma, if (transparent_hugepage_enabled(vma) && !transparent_hugepage_debug_cow()) new_page = alloc_hugepage_vma(transparent_hugepage_defrag(vma), - vma, haddr, numa_node_id(), 0); + vma, address, numa_node_id(), 0); else new_page = NULL;