From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932939Ab2LGKY1 (ORCPT ); Fri, 7 Dec 2012 05:24:27 -0500 Received: from cantor2.suse.de ([195.135.220.15]:41986 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932890Ab2LGKYV (ORCPT ); Fri, 7 Dec 2012 05:24:21 -0500 From: Mel Gorman To: Peter Zijlstra , Andrea Arcangeli , Ingo Molnar Cc: Rik van Riel , Johannes Weiner , Hugh Dickins , Thomas Gleixner , Paul Turner , Hillf Danton , David Rientjes , Lee Schermerhorn , Alex Shi , Srikar Dronamraju , Aneesh Kumar , Linus Torvalds , Andrew Morton , Linux-MM , LKML , Mel Gorman Subject: [PATCH 14/49] mm: numa: split_huge_page: transfer the NUMA type from the pmd to the pte Date: Fri, 7 Dec 2012 10:23:17 +0000 Message-Id: <1354875832-9700-15-git-send-email-mgorman@suse.de> X-Mailer: git-send-email 1.7.9.2 In-Reply-To: <1354875832-9700-1-git-send-email-mgorman@suse.de> References: <1354875832-9700-1-git-send-email-mgorman@suse.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andrea Arcangeli When we split a transparent hugepage, transfer the NUMA type from the pmd to the pte if needed. Signed-off-by: Andrea Arcangeli Signed-off-by: Mel Gorman Reviewed-by: Rik van Riel --- mm/huge_memory.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 40f17c3..3aaf242 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1363,6 +1363,8 @@ static int __split_huge_page_map(struct page *page, BUG_ON(page_mapcount(page) != 1); if (!pmd_young(*pmd)) entry = pte_mkold(entry); + if (pmd_numa(*pmd)) + entry = pte_mknuma(entry); pte = pte_offset_map(&_pmd, haddr); BUG_ON(!pte_none(*pte)); set_pte_at(mm, haddr, pte, entry); -- 1.7.9.2