diff options
author | Michal Nazarewicz <mina86@mina86.com> | 2012-01-30 13:23:47 +0100 |
---|---|---|
committer | Ziyan <jaraidaniel@gmail.com> | 2016-04-03 14:56:01 +0200 |
commit | 92011cf10bc2a4ba6338743390f1faa62b60759f (patch) | |
tree | 402bf19bd527eb02d88abbac873f25915ee3c3cf /mm | |
parent | 201ce136cd3720ad5b0a17aaa6ef80024d20d4d2 (diff) | |
download | kernel_samsung_tuna-92011cf10bc2a4ba6338743390f1faa62b60759f.tar.gz kernel_samsung_tuna-92011cf10bc2a4ba6338743390f1faa62b60759f.tar.bz2 kernel_samsung_tuna-92011cf10bc2a4ba6338743390f1faa62b60759f.zip |
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 0173984beec..2bdbd4c8187 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; |