From mboxrd@z Thu Jan 1 00:00:00 1970 From: m.szyprowski@samsung.com (Marek Szyprowski) Date: Fri, 10 Feb 2012 18:32:18 +0100 Subject: [PATCHv21 03/16] mm: compaction: introduce map_pages() In-Reply-To: <1328895151-5196-1-git-send-email-m.szyprowski@samsung.com> References: <1328895151-5196-1-git-send-email-m.szyprowski@samsung.com> Message-ID: <1328895151-5196-4-git-send-email-m.szyprowski@samsung.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- mm/compaction.c | 15 +++++++++++---- 1 files changed, 11 insertions(+), 4 deletions(-) diff --git a/mm/compaction.c b/mm/compaction.c index 62902b6..9bbcc53 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