From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail143.messagelabs.com (mail143.messagelabs.com [216.82.254.35]) by kanga.kvack.org (Postfix) with SMTP id 19CD38D003E for ; Mon, 21 Feb 2011 14:08:25 -0500 (EST) From: 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> In-Reply-To: <1298315270-10434-1-git-send-email-andi@firstfloor.org> References: <1298315270-10434-1-git-send-email-andi@firstfloor.org> Sender: owner-linux-mm@kvack.org List-ID: To: akpm@linux-foundation.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, aarcange@redhat.com, lwoodman@redhat.com, Andi Kleen 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org