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| author | Minchan Kim <minchan@kernel.org> | 2012-10-08 16:32:08 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-09 16:22:45 +0900 |
| commit | b12c4ad14ee0232ad47c2bef404b6d42a3578332 (patch) | |
| tree | 9fc0d3fa799b7aef83f824eb538f0b75c3af0683 /include/linux/mm.h | |
| parent | d95ea5d18e699515468368415c93ed49b1a3221b (diff) | |
| download | lwn-b12c4ad14ee0232ad47c2bef404b6d42a3578332.tar.gz lwn-b12c4ad14ee0232ad47c2bef404b6d42a3578332.zip | |
mm: page_alloc: use get_freepage_migratetype() instead of page_private()
The page allocator uses set_page_private and page_private for handling
migratetype when it frees page. Let's replace them with [set|get]
_freepage_migratetype to make it more clear.
Signed-off-by: Minchan Kim <minchan@kernel.org>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Reviewed-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Cc: Xishi Qiu <qiuxishi@huawei.com>
Cc: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/mm.h')
| -rw-r--r-- | include/linux/mm.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 0d5f823ce3fc..4ed5c7367b9b 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -237,6 +237,18 @@ struct inode; #define page_private(page) ((page)->private) #define set_page_private(page, v) ((page)->private = (v)) +/* It's valid only if the page is free path or free_list */ +static inline void set_freepage_migratetype(struct page *page, int migratetype) +{ + set_page_private(page, migratetype); +} + +/* It's valid only if the page is free path or free_list */ +static inline int get_freepage_migratetype(struct page *page) +{ + return page_private(page); +} + /* * FIXME: take this include out, include page-flags.h in * files which need it (119 of them) |