From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx114.postini.com [74.125.245.114]) by kanga.kvack.org (Postfix) with SMTP id 804E66B00C6 for ; Wed, 3 Oct 2012 19:52:22 -0400 (EDT) From: Andrea Arcangeli Subject: [PATCH 24/33] autonuma: split_huge_page: transfer the NUMA type from the pmd to the pte Date: Thu, 4 Oct 2012 01:51:06 +0200 Message-Id: <1349308275-2174-25-git-send-email-aarcange@redhat.com> In-Reply-To: <1349308275-2174-1-git-send-email-aarcange@redhat.com> References: <1349308275-2174-1-git-send-email-aarcange@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: Linus Torvalds , Andrew Morton , Peter Zijlstra , Ingo Molnar , Mel Gorman , Hugh Dickins , Rik van Riel , Johannes Weiner , Hillf Danton , Andrew Jones , Dan Smith , Thomas Gleixner , Paul Turner , Christoph Lameter , Suresh Siddha , Mike Galbraith , "Paul E. McKenney" , Lai Jiangshan , Bharata B Rao , Lee Schermerhorn , Srivatsa Vaddagiri , Alex Shi , Mauricio Faria de Oliveira , Konrad Rzeszutek Wilk , Don Morris , Benjamin Herrenschmidt When we split a transparent hugepage, transfer the NUMA type from the pmd to the pte if needed. Signed-off-by: Andrea Arcangeli --- mm/huge_memory.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 78b2851..757c1cc 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1412,6 +1412,8 @@ 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); -- 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/ . Don't email: email@kvack.org