v1
2026-09-04
mm: restore SHRINKER_NONSLAB on THP and zswap shrinkers · v1
为 deferred split 与 zswap shrinker 恢复/添加 SHRINKER_NONSLAB，避免 nokmem 下失去 memcg 感知回收。
原始补丁链接
子 Patch（2）
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mm: thp: restore SHRINKER_NONSLAB on the deferred split shrinker
[mm: thp: restore SHRINKER_NONSLAB on the deferred split shrinker] On a system booted with cgroup.memory=nokmem, the deferred split shrinker is quietly demoted to a non-memcg-aware one. As a result,
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mm: zswap: mark the zswap shrinker SHRINKER_NONSLAB
[mm: zswap: mark the zswap shrinker SHRINKER_NONSLAB] With kmem accounting disabled (cgroup.memory=nokmem), memcg reclaim never invokes the zswap shrinker: a cgroup under memory pressure does not writ