diff options
Diffstat (limited to 'include/linux/mm_inline.h')
-rw-r--r-- | include/linux/mm_inline.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h index 2eb5994..f451fed 100644 --- a/include/linux/mm_inline.h +++ b/include/linux/mm_inline.h @@ -117,4 +117,23 @@ 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 |