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| author | Michal Nazarewicz <mina86@mina86.com> | 2012-01-30 13:23:47 +0100 |
|---|---|---|
| committer | Marek Szyprowski <m.szyprowski@samsung.com> | 2012-05-21 15:09:28 +0200 |
| commit | 03d44192f69a45d780ba124f691e76020a44ebae (patch) | |
| tree | 81b43ba18b0fa70280a20fa534d37b9d0c5e5478 /mm | |
| parent | 2fe86e0004076128f05d5a774b5c9c03d9dc3de2 (diff) | |
| download | linux-03d44192f69a45d780ba124f691e76020a44ebae.tar.bz2 | |
mm: compaction: introduce map_pages()
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 <mina86@mina86.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Tested-by: Robert Nelson <robertcnelson@gmail.com>
Tested-by: Barry Song <Baohua.Song@csr.com>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/compaction.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/mm/compaction.c b/mm/compaction.c index ee20fc044b91..d9d7b35d3933 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; |