diff options
| author | T.J. Alumbaugh <talumbau@google.com> | 2023-01-18 00:18:25 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-02-02 22:33:27 -0800 |
| commit | 37cc99979d04cca677c0ad5c0acd1149ec165d1b (patch) | |
| tree | 56d66fc448d5c1c0055922977e25f32d20d32136 /mm/vmscan.c | |
| parent | 36c7b4db7c942ae9e1b111f0c6b468c8b2e33842 (diff) | |
mm: multi-gen LRU: improve lru_gen_exit_memcg()
Add warnings and poison ->next.
Link: https://lkml.kernel.org/r/20230118001827.1040870-6-talumbau@google.com
Signed-off-by: T.J. Alumbaugh <talumbau@google.com>
Cc: Yu Zhao <yuzhao@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 796d4ca65e97..c2e6ad53447b 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -6168,12 +6168,17 @@ void lru_gen_exit_memcg(struct mem_cgroup *memcg) int i; int nid; + VM_WARN_ON_ONCE(!list_empty(&memcg->mm_list.fifo)); + for_each_node(nid) { struct lruvec *lruvec = get_lruvec(memcg, nid); + VM_WARN_ON_ONCE(lruvec->mm_state.nr_walkers); VM_WARN_ON_ONCE(memchr_inv(lruvec->lrugen.nr_pages, 0, sizeof(lruvec->lrugen.nr_pages))); + lruvec->lrugen.list.next = LIST_POISON1; + for (i = 0; i < NR_BLOOM_FILTERS; i++) { bitmap_free(lruvec->mm_state.filters[i]); lruvec->mm_state.filters[i] = NULL; |