linux-kernel - Re: [PATCH v5 37/45] zsmalloc: dynamically allocate the mm-zspool shrinker

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Message-ID: <20230824043832.GC610023@google.com>
Date:   Thu, 24 Aug 2023 13:38:32 +0900
From:   Sergey Senozhatsky <senozhatsky@...omium.org>
To:     Qi Zheng <zhengqi.arch@...edance.com>
Cc:     akpm@...ux-foundation.org, david@...morbit.com, tkhai@...ru,
        vbabka@...e.cz, roman.gushchin@...ux.dev, djwong@...nel.org,
        brauner@...nel.org, paulmck@...nel.org, tytso@....edu,
        steven.price@....com, cel@...nel.org, senozhatsky@...omium.org,
        yujie.liu@...el.com, gregkh@...uxfoundation.org,
        muchun.song@...ux.dev, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, linux-fsdevel@...r.kernel.org,
        Muchun Song <songmuchun@...edance.com>,
        Minchan Kim <minchan@...nel.org>
Subject: Re: [PATCH v5 37/45] zsmalloc: dynamically allocate the mm-zspool
 shrinker

On (23/08/24 11:42), Qi Zheng wrote:
> In preparation for implementing lockless slab shrink, use new APIs to
> dynamically allocate the mm-zspool shrinker, so that it can be freed
> asynchronously via RCU. Then it doesn't need to wait for RCU read-side
> critical section when releasing the struct zs_pool.
> 
> Signed-off-by: Qi Zheng <zhengqi.arch@...edance.com>
> Reviewed-by: Muchun Song <songmuchun@...edance.com>
> CC: Minchan Kim <minchan@...nel.org>
> CC: Sergey Senozhatsky <senozhatsky@...omium.org>

Reviewed-by: Sergey Senozhatsky <senozhatsky@...omium.org>