diff options
| author | Wanpeng Li <liwp@linux.vnet.ibm.com> | 2012-06-14 20:41:02 +0800 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2012-06-28 11:54:12 +0200 |
| commit | be7bd59db71dfb6dc011c9880fec5a659430003a (patch) | |
| tree | 04d73bb9befe49d82c3d07e955b93a0186056364 /mm/vmscan.c | |
| parent | 422aa274203469771460411ffb2f70c241770b80 (diff) | |
| download | lwn-be7bd59db71dfb6dc011c9880fec5a659430003a.tar.gz lwn-be7bd59db71dfb6dc011c9880fec5a659430003a.zip | |
mm: fix page reclaim comment error
Since there are five lists in LRU cache, the array nr in get_scan_count
should be:
nr[0] = anon inactive pages to scan; nr[1] = anon active pages to scan
nr[2] = file inactive pages to scan; nr[3] = file active pages to scan
Signed-off-by: Wanpeng Li <liwp.linux@gmail.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 33dc256033b5..091ab8f88333 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1894,7 +1894,8 @@ static int vmscan_swappiness(struct mem_cgroup_zone *mz, * by looking at the fraction of the pages scanned we did rotate back * onto the active list instead of evict. * - * nr[0] = anon pages to scan; nr[1] = file pages to scan + * nr[0] = anon inactive pages to scan; nr[1] = anon active pages to scan + * nr[2] = file inactive pages to scan; nr[3] = file active pages to scan */ static void get_scan_count(struct mem_cgroup_zone *mz, struct scan_control *sc, unsigned long *nr, int priority) |