Re: [PATCH 3/6] mm/zswap: stop lru list shrinking when encounter warm region

Johannes Weiner
2024-02-01T17:51:31Z

On Thu, Feb 01, 2024 at 03:49:03PM +0000, Chengming Zhou wrote:
> When the shrinker encounter an existing folio in swap cache, it means
> we are shrinking into the warmer region. We should terminate shrinking
> if we're in the dynamic shrinker context.
>
> This patch add LRU_STOP to support this, to avoid overshrinking.
>
> Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com>

LGTM.

Acked-by: Johannes Weiner <hannes@cmpxchg.org>