Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754151Ab2BVQtJ (ORCPT ); Wed, 22 Feb 2012 11:49:09 -0500 Received: from mailout3.w1.samsung.com ([210.118.77.13]:16180 "EHLO mailout3.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752973Ab2BVQtE (ORCPT ); Wed, 22 Feb 2012 11:49:04 -0500 MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: TEXT/PLAIN Date: Wed, 22 Feb 2012 17:48:44 +0100 From: Marek Szyprowski Subject: [PATCHv23 03/16] mm: compaction: introduce map_pages() In-reply-to: <1329929337-16648-1-git-send-email-m.szyprowski@samsung.com> To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org, linux-mm@kvack.org, linaro-mm-sig@lists.linaro.org Cc: Michal Nazarewicz , Marek Szyprowski , Kyungmin Park , Russell King , Andrew Morton , KAMEZAWA Hiroyuki , Daniel Walker , Mel Gorman , Arnd Bergmann , Jesse Barker , Jonathan Corbet , Chunsang Jeong , Dave Hansen , Benjamin Gaignard , Rob Clark , Ohad Ben-Cohen Message-id: <1329929337-16648-4-git-send-email-m.szyprowski@samsung.com> X-Mailer: git-send-email 1.7.9 References: <1329929337-16648-1-git-send-email-m.szyprowski@samsung.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1725 Lines: 56 From: Michal Nazarewicz This commit creates a map_pages() function which map pages freed using split_free_pages(). This merely moves some code from isolate_freepages() so that it can be reused in other places. Signed-off-by: Michal Nazarewicz Signed-off-by: Marek Szyprowski Acked-by: Mel Gorman Reviewed-by: KAMEZAWA Hiroyuki Tested-by: Robert Nelson --- mm/compaction.c | 15 +++++++++++---- 1 files changed, 11 insertions(+), 4 deletions(-) diff --git a/mm/compaction.c b/mm/compaction.c index ee20fc0..d9d7b35 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -127,6 +127,16 @@ static bool suitable_migration_target(struct page *page) return false; } +static void map_pages(struct list_head *list) +{ + struct page *page; + + list_for_each_entry(page, list, lru) { + arch_alloc_page(page, 0); + kernel_map_pages(page, 1, 1); + } +} + /* * Based on information in the current compact_control, find blocks * suitable for isolating free pages from and then isolate them. @@ -206,10 +216,7 @@ static void isolate_freepages(struct zone *zone, } /* split_free_page does not map the pages */ - list_for_each_entry(page, freelist, lru) { - arch_alloc_page(page, 0); - kernel_map_pages(page, 1, 1); - } + map_pages(freelist); cc->free_pfn = high_pfn; cc->nr_freepages = nr_freepages; -- 1.7.1.569.g6f426 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/