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Commit f89eb90e authored by KOSAKI Motohiro's avatar KOSAKI Motohiro Committed by Linus Torvalds
Browse files

inactive_anon_is_low: move to vmscan 



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: default avatarKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: default avatarRik van Riel <riel@redhat.com>
Signed-off-by: default avatarKOSAKI 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 670ec2f1

include/linux/mm_inline.h

+0 −19
Original line number Diff line number Diff line
@@ -81,23 +81,4 @@ static inline enum lru_list page_lru(struct page *page) 
	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

mm/vmscan.c

+20 −0
Original line number Diff line number Diff line
@@ -1291,6 +1291,26 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone, 
	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,

	struct zone *zone, struct scan_control *sc, int priority)

{