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mglru: mm/vmscan.c: fix imprecise comments 

Link: https://lkml.kernel.org/r/YzSWfFI+MOeb1ils@google.com
Signed-off-by: Yu Zhao <yuzhao@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Yu Zhao 2022-09-28 12:46:20 -06:00 committed by Andrew Morton
parent 14aa8b2d5c
commit e4fea72b14
1 changed files with 4 additions and 5 deletions
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9
mm/vmscan.c
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@ -5076,7 +5076,7 @@ static bool should_abort_scan(struct lruvec *lruvec, unsigned long seq,
DEFINE_MAX_SEQ(lruvec);
if (!current_is_kswapd()) {
/* age each memcg once to ensure fairness */
/* age each memcg at most once to ensure fairness */
if (max_seq - seq > 1)
return true;
@ -5101,10 +5101,9 @@ static bool should_abort_scan(struct lruvec *lruvec, unsigned long seq,
/*
* A minimum amount of work was done under global memory pressure. For
* kswapd, it may be overshooting. For direct reclaim, the target isn't
* met, and yet the allocation may still succeed, since kswapd may have
* caught up. In either case, it's better to stop now, and restart if
* necessary.
* kswapd, it may be overshooting. For direct reclaim, the allocation
* may succeed if all suitable zones are somewhat safe. In either case,
* it's better to stop now, and restart later if necessary.
*/
for (i = 0; i <= sc->reclaim_idx; i++) {
unsigned long wmark;