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authorMuchun Song <songmuchun@bytedance.com>2026-03-05 19:52:51 +0800
committerAndrew Morton <akpm@linux-foundation.org>2026-04-18 00:10:47 -0700
commit0a98e13963424d7f1f50211c692f46a3b1e8d03f (patch)
tree84f54d67a0aa805950980d512d2f335de417d407 /tools/perf/scripts/python/stackcollapse.py
parentf1cf8d2f36dc369688bbe61ce064fbd829dbc9e1 (diff)
mm: lru: add VM_WARN_ON_ONCE_FOLIO to lru maintenance helpers
We must ensure the folio is deleted from or added to the correct lruvec list. So, add VM_WARN_ON_ONCE_FOLIO() to catch invalid users. The VM_BUG_ON_PAGE() in move_pages_to_lru() can be removed as add_page_to_lru_list() will perform the necessary check. Link: https://lore.kernel.org/2c90fc006d9d730331a3caeef96f7e5dabe2036d.1772711148.git.zhengqi.arch@bytedance.com Signed-off-by: Muchun Song <songmuchun@bytedance.com> Signed-off-by: Qi Zheng <zhengqi.arch@bytedance.com> Acked-by: Roman Gushchin <roman.gushchin@linux.dev> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Shakeel Butt <shakeel.butt@linux.dev> Cc: Allen Pais <apais@linux.microsoft.com> Cc: Axel Rasmussen <axelrasmussen@google.com> Cc: Baoquan He <bhe@redhat.com> Cc: Chengming Zhou <chengming.zhou@linux.dev> Cc: Chen Ridong <chenridong@huawei.com> Cc: David Hildenbrand <david@kernel.org> Cc: Hamza Mahfooz <hamzamahfooz@linux.microsoft.com> Cc: Harry Yoo <harry.yoo@oracle.com> Cc: Hugh Dickins <hughd@google.com> Cc: Imran Khan <imran.f.khan@oracle.com> Cc: Kamalesh Babulal <kamalesh.babulal@oracle.com> Cc: Lance Yang <lance.yang@linux.dev> Cc: Liam Howlett <Liam.Howlett@oracle.com> Cc: Lorenzo Stoakes (Oracle) <ljs@kernel.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Michal Koutný <mkoutny@suse.com> Cc: Mike Rapoport <rppt@kernel.org> Cc: Muchun Song <muchun.song@linux.dev> Cc: Nhat Pham <nphamcs@gmail.com> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Usama Arif <usamaarif642@gmail.com> Cc: Vlastimil Babka <vbabka@kernel.org> Cc: Wei Xu <weixugc@google.com> Cc: Yosry Ahmed <yosry@kernel.org> Cc: Yuanchu Xie <yuanchu@google.com> Cc: Zi Yan <ziy@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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