Re: [PATCH 1/2] mm/zswap: make sure each swapfile always have zswap rb-tree

From: Johannes Weiner
Date: Thu Jan 18 2024 - 10:05:43 EST


On Wed, Jan 17, 2024 at 09:23:18AM +0000, Chengming Zhou wrote:
> Not all zswap interfaces can handle the absence of the zswap rb-tree,
> actually only zswap_store() has handled it for now.
>
> To make things simple, we make sure each swapfile always have the
> zswap rb-tree prepared before being enabled and used. The preparation
> is unlikely to fail in practice, this patch just make it explicit.
>
> Signed-off-by: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx>

Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>