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| author | Konstantin Khlebnikov <khlebnikov@openvz.org> | 2012-05-29 15:06:58 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-29 16:22:26 -0700 |
| commit | 7f5e86c2ccc1480946d2c869d7f7d5278e828092 (patch) | |
| tree | 704612422963868042c9d240b4a395bd7bce8469 /mm/mmzone.c | |
| parent | 9e3b2f8cd340e13353a44c9a34caef2848131ed7 (diff) | |
| download | lwn-7f5e86c2ccc1480946d2c869d7f7d5278e828092.tar.gz lwn-7f5e86c2ccc1480946d2c869d7f7d5278e828092.zip | |
mm: add link from struct lruvec to struct zone
This is the first stage of struct mem_cgroup_zone removal. Further
patches replace struct mem_cgroup_zone with a pointer to struct lruvec.
If CONFIG_CGROUP_MEM_RES_CTLR=n lruvec_zone() is just container_of().
Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/mmzone.c')
| -rw-r--r-- | mm/mmzone.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/mm/mmzone.c b/mm/mmzone.c index 7cf7b7ddc7c5..6830eab5bf09 100644 --- a/mm/mmzone.c +++ b/mm/mmzone.c @@ -86,3 +86,17 @@ int memmap_valid_within(unsigned long pfn, return 1; } #endif /* CONFIG_ARCH_HAS_HOLES_MEMORYMODEL */ + +void lruvec_init(struct lruvec *lruvec, struct zone *zone) +{ + enum lru_list lru; + + memset(lruvec, 0, sizeof(struct lruvec)); + + for_each_lru(lru) + INIT_LIST_HEAD(&lruvec->lists[lru]); + +#ifdef CONFIG_CGROUP_MEM_RES_CTLR + lruvec->zone = zone; +#endif +} |