diff options
| author | Deepak Nibade <dnibade@nvidia.com> | 2014-03-11 16:06:31 +0530 |
|---|---|---|
| committer | Deepak Nibade <dnibade@nvidia.com> | 2014-03-13 11:01:40 +0530 |
| commit | 50a3a706c880500ec305e7af51bd5f2363a8cc44 (patch) | |
| tree | 5048357e0f00ac220b671942e210d41d0c739a5c /mm/vmscan.c | |
| parent | 40a66a5c983a8bf93a8860bd9500bfea83411e08 (diff) | |
| parent | 6969595f011b46b49c3f1b9e0bd7da27768c1fd9 (diff) | |
Merge branch 'linux-3.10.33' into dev-kernel-3.10
Bug 1456092
Change-Id: I3021247ec68a3c2dddd9e98cde13d70a45191d53
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 49 |
1 files changed, 14 insertions, 35 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index c052bffff636..a42363f73af4 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2161,6 +2161,20 @@ static bool shrink_zones(struct zonelist *zonelist, struct scan_control *sc) return aborted_reclaim; } +static unsigned long zone_reclaimable_pages(struct zone *zone) +{ + int nr; + + nr = zone_page_state(zone, NR_ACTIVE_FILE) + + zone_page_state(zone, NR_INACTIVE_FILE); + + if (get_nr_swap_pages() > 0) + nr += zone_page_state(zone, NR_ACTIVE_ANON) + + zone_page_state(zone, NR_INACTIVE_ANON); + + return nr; +} + static bool zone_reclaimable(struct zone *zone) { return zone->pages_scanned < zone_reclaimable_pages(zone) * 6; @@ -3119,41 +3133,6 @@ void wakeup_kswapd(struct zone *zone, int order, enum zone_type classzone_idx) wake_up_interruptible(&pgdat->kswapd_wait); } -/* - * The reclaimable count would be mostly accurate. - * The less reclaimable pages may be - * - mlocked pages, which will be moved to unevictable list when encountered - * - mapped pages, which may require several travels to be reclaimed - * - dirty pages, which is not "instantly" reclaimable - */ -unsigned long global_reclaimable_pages(void) -{ - int nr; - - nr = global_page_state(NR_ACTIVE_FILE) + - global_page_state(NR_INACTIVE_FILE); - - if (get_nr_swap_pages() > 0) - nr += global_page_state(NR_ACTIVE_ANON) + - global_page_state(NR_INACTIVE_ANON); - - return nr; -} - -unsigned long zone_reclaimable_pages(struct zone *zone) -{ - int nr; - - nr = zone_page_state(zone, NR_ACTIVE_FILE) + - zone_page_state(zone, NR_INACTIVE_FILE); - - if (get_nr_swap_pages() > 0) - nr += zone_page_state(zone, NR_ACTIVE_ANON) + - zone_page_state(zone, NR_INACTIVE_ANON); - - return nr; -} - #ifdef CONFIG_HIBERNATION /* * Try to free `nr_to_reclaim' of memory, system-wide, and return the number of |