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

From: Johannes Weiner
Date: Thu Feb 01 2024 - 12:51:43 EST


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@xxxxxxxxxxxxx>

LGTM.

Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>