lkml.org 
[lkml]   [2024]   [Feb]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2] mm/swap_state: update zswap LRU's protection range with the folio locked (fix)
Date
The if (folio) checks inside zswap_folio_swapin() is no longer needed.

Suggested-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Nhat Pham <nphamcs@gmail.com>
---
mm/zswap.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/mm/zswap.c b/mm/zswap.c
index 8c548f73d52e..e91e3f10a5c8 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -826,11 +826,9 @@ void zswap_folio_swapin(struct folio *folio)
{
struct lruvec *lruvec;

- if (folio) {
- VM_WARN_ON_ONCE(!folio_test_locked(folio));
- lruvec = folio_lruvec(folio);
- atomic_long_inc(&lruvec->zswap_lruvec_state.nr_zswap_protected);
- }
+ VM_WARN_ON_ONCE(!folio_test_locked(folio));
+ lruvec = folio_lruvec(folio);
+ atomic_long_inc(&lruvec->zswap_lruvec_state.nr_zswap_protected);
}

void zswap_memcg_offline_cleanup(struct mem_cgroup *memcg)
--
2.39.3
\
 
 \ /
  Last update: 2024-05-27 14:51    [W:0.065 / U:0.964 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site