| Message ID | 20230323040037.2389095-6-yosryahmed@google.com (mailing list archive) |
|---|---|
| State | RFC |
| Headers | show |
| Series | Make rstat flushing IRQ and sleep friendly | expand |
| Context | Check | Description |
|---|---|---|
| netdev/tree_selection | success | Not a local patch |
diff --git a/mm/vmscan.c b/mm/vmscan.c index 59d1830d08ac..bae35cfb33c8 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2845,7 +2845,7 @@ static void prepare_scan_count(pg_data_t *pgdat, struct scan_control *sc) * Flush the memory cgroup stats, so that we read accurate per-memcg * lruvec stats for heuristics. */ - mem_cgroup_flush_stats(false); + mem_cgroup_flush_stats(true); /* * Determine the scan balance between anon and file LRUs.
Memory reclaim should be a sleepable context. Allow sleeping when flushing memcg stats to avoid unnecessarily performing a lot of work without sleeping. This can slow down reclaim code if flushing stats is taking too long, but there is already multiple cond_resched()'s in reclaim code. Signed-off-by: Yosry Ahmed <yosryahmed@google.com> --- mm/vmscan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)