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inactive_anon_is_low: move to vmscan

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The inactive_anon_is_low() is called only vmscan.  Then it can move to
vmscan.c

This patch doesn't have any functional change.

Reviewd-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Rik van Riel <riel@redhat.com>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
KOSAKI Motohiro 2009-01-07 18:08:14 -08:00 committed by Linus Torvalds
parent 670ec2f170
commit f89eb90e33
2 changed files with 20 additions and 19 deletions
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19
include/linux/mm_inline.h
View File

@ -81,23 +81,4 @@ static inline enum lru_list page_lru(struct page *page)
return lru; return lru;
} }
/**
* inactive_anon_is_low - check if anonymous pages need to be deactivated
* @zone: zone to check
*
* Returns true if the zone does not have enough inactive anon pages,
* meaning some active anon pages need to be deactivated.
*/
static inline int inactive_anon_is_low(struct zone *zone)
{
unsigned long active, inactive;
active = zone_page_state(zone, NR_ACTIVE_ANON);
inactive = zone_page_state(zone, NR_INACTIVE_ANON);
if (inactive * zone->inactive_ratio < active)
return 1;
return 0;
}
#endif #endif

20
mm/vmscan.c
View File

@ -1291,6 +1291,26 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
pagevec_release(&pvec); pagevec_release(&pvec);
} }
/**
* inactive_anon_is_low - check if anonymous pages need to be deactivated
* @zone: zone to check
*
* Returns true if the zone does not have enough inactive anon pages,
* meaning some active anon pages need to be deactivated.
*/
static int inactive_anon_is_low(struct zone *zone)
{
unsigned long active, inactive;
active = zone_page_state(zone, NR_ACTIVE_ANON);
inactive = zone_page_state(zone, NR_INACTIVE_ANON);
if (inactive * zone->inactive_ratio < active)
return 1;
return 0;
}
static unsigned long shrink_list(enum lru_list lru, unsigned long nr_to_scan, static unsigned long shrink_list(enum lru_list lru, unsigned long nr_to_scan,
struct zone *zone, struct scan_control *sc, int priority) struct zone *zone, struct scan_control *sc, int priority)
{ {