diff options
| author | Zhongkun He <hezhongkun.hzk@bytedance.com> | 2025-04-21 17:13:29 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-05-12 23:50:36 -0700 |
| commit | aded729f64d3eb1543abc7e6a3a20069716efb7d (patch) | |
| tree | 58d7eb9c9aff95baf053caf7850131510fa62f87 /mm | |
| parent | 68a1436bde00b40327efe27926076b53088775a3 (diff) | |
mm: vmscan: add more comments about cache_trim_mode
Add more comments for cache_trim_mode, and the annotations provided by
Johannes Weiner in [1].
Link: https://lore.kernel.org/all/20250314141833.GA1316033@cmpxchg.org/
Link: https://lkml.kernel.org/r/4baad87ba637f1e6f666e9b99b3fdcb7ab39171b.1745225696.git.hezhongkun.hzk@bytedance.com
Signed-off-by: Zhongkun He <hezhongkun.hzk@bytedance.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Yosry Ahmed <yosry.ahmed@linux.dev>
Cc: Yu Zhao <yuzhao@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
| -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 495889f621b5..ca786575b6c2 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2536,7 +2536,8 @@ static void get_scan_count(struct lruvec *lruvec, struct scan_control *sc, /* * If there is enough inactive page cache, we do not reclaim - * anything from the anonymous working right now. + * anything from the anonymous working right now to make sure + * a streaming file access pattern doesn't cause swapping. */ if (sc->cache_trim_mode) { scan_balance = SCAN_FILE; |