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mm: collect LRU list heads into struct lruvec

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Having a unified structure with a LRU list set for both global zones and
per-memcg zones allows to keep that code simple which deals with LRU
lists and does not care about the container itself.

Once the per-memcg LRU lists directly link struct pages, the isolation
function and all other list manipulations are shared between the memcg
case and the global LRU case.

Signed-off-by: Johannes Weiner <jweiner@redhat.com>
Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Reviewed-by: Michal Hocko <mhocko@suse.cz>
Reviewed-by: Kirill A. Shutemov <kirill@shutemov.name>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Balbir Singh <bsingharora@gmail.com>
Cc: Ying Han <yinghan@google.com>
Cc: Greg Thelen <gthelen@google.com>
Cc: Michel Lespinasse <walken@google.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Johannes Weiner 2012-01-12 17:18:10 -08:00 • committed by Linus Torvalds
parent b95a2f2d48
commit 6290df5458
6 changed files with 25 additions and 27 deletions
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2
include/linux/mm_inline.h
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@ -33,7 +33,7 @@ __add_page_to_lru_list(struct zone *zone, struct page *page, enum lru_list l,
static inline void
add_page_to_lru_list(struct zone *zone, struct page *page, enum lru_list l)
{
__add_page_to_lru_list(zone, page, l, &zone->lru[l].list);
__add_page_to_lru_list(zone, page, l, &zone->lruvec.lists[l]);
}
static inline void