From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx180.postini.com [74.125.245.180]) by kanga.kvack.org (Postfix) with SMTP id 55F096B006C for ; Wed, 22 Aug 2012 11:00:09 -0400 (EDT) From: Andrea Arcangeli Subject: [PATCH 25/36] autonuma: reset autonuma page data when pages are freed Date: Wed, 22 Aug 2012 16:59:09 +0200 Message-Id: <1345647560-30387-26-git-send-email-aarcange@redhat.com> In-Reply-To: <1345647560-30387-1-git-send-email-aarcange@redhat.com> References: <1345647560-30387-1-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: Hillf Danton , Dan Smith , Linus Torvalds , Andrew Morton , Thomas Gleixner , Ingo Molnar , Paul Turner , Suresh Siddha , Mike Galbraith , "Paul E. McKenney" , Lai Jiangshan , Bharata B Rao , Lee Schermerhorn , Rik van Riel , Johannes Weiner , Srivatsa Vaddagiri , Christoph Lameter , Alex Shi , Mauricio Faria de Oliveira , Konrad Rzeszutek Wilk , Don Morris , Benjamin Herrenschmidt When pages are freed abort any pending migration. If knuma_migrated arrives first it will notice because get_page_unless_zero would fail. You can safely ignore the #ifdef because a later patch (page_autonuma) clears it. Signed-off-by: Andrea Arcangeli --- mm/page_alloc.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 8c9cad5..49e2916 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -619,6 +619,10 @@ static inline int free_pages_check(struct page *page) bad_page(page); return 1; } + autonuma_migrate_page_remove(page); +#ifdef CONFIG_AUTONUMA + page->autonuma_last_nid = -1; +#endif if (page->flags & PAGE_FLAGS_CHECK_AT_PREP) page->flags &= ~PAGE_FLAGS_CHECK_AT_PREP; return 0; -- 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