From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753892Ab1BUTIa (ORCPT ); Mon, 21 Feb 2011 14:08:30 -0500 Received: from mga09.intel.com ([134.134.136.24]:24888 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753653Ab1BUTIY (ORCPT ); Mon, 21 Feb 2011 14:08:24 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.62,201,1297065600"; d="scan'208";a="605050283" From: Andi Kleen To: akpm@linux-foundation.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, aarcange@redhat.com, lwoodman@redhat.com, Andi Kleen Subject: [PATCH 1/8] Fix interleaving for transparent hugepages Date: Mon, 21 Feb 2011 11:07:43 -0800 Message-Id: <1298315270-10434-2-git-send-email-andi@firstfloor.org> X-Mailer: git-send-email 1.7.4 In-Reply-To: <1298315270-10434-1-git-send-email-andi@firstfloor.org> References: <1298315270-10434-1-git-send-email-andi@firstfloor.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andi Kleen Bugfix, independent from the rest of the series. The THP code didn't pass the correct interleaving shift to the memory policy code. Fix this here by adjusting for the order. Cc: aarcange@redhat.com Signed-off-by: Andi Kleen --- mm/mempolicy.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 368fc9d..76c51b7 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -1830,7 +1830,7 @@ alloc_pages_vma(gfp_t gfp, int order, struct vm_area_struct *vma, if (unlikely(pol->mode == MPOL_INTERLEAVE)) { unsigned nid; - nid = interleave_nid(pol, vma, addr, PAGE_SHIFT); + nid = interleave_nid(pol, vma, addr, PAGE_SHIFT << order); mpol_cond_put(pol); page = alloc_page_interleave(gfp, order, nid); put_mems_allowed(); -- 1.7.4