linux-kernel - Re: [PATCH v5 05/45] xenbus/backend: dynamically allocate the xen-backend shrinker

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Message-ID: <d07d52b1-6e6d-4b29-a9ce-7e325e7b1f11@suse.com>
Date:   Thu, 24 Aug 2023 08:00:14 +0200
From:   Juergen Gross <jgross@...e.com>
To:     Qi Zheng <zhengqi.arch@...edance.com>, 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
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        linux-fsdevel@...r.kernel.org,
        Muchun Song <songmuchun@...edance.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        Oleksandr Tyshchenko <oleksandr_tyshchenko@...m.com>,
        xen-devel@...ts.xenproject.org
Subject: Re: [PATCH v5 05/45] xenbus/backend: dynamically allocate the
 xen-backend shrinker

On 24.08.23 05:42, Qi Zheng wrote:
> Use new APIs to dynamically allocate the xen-backend shrinker.
> 
> Signed-off-by: Qi Zheng <zhengqi.arch@...edance.com>
> Reviewed-by: Muchun Song <songmuchun@...edance.com>
> CC: Juergen Gross <jgross@...e.com>
> CC: Stefano Stabellini <sstabellini@...nel.org>
> CC: Oleksandr Tyshchenko <oleksandr_tyshchenko@...m.com>
> CC: xen-devel@...ts.xenproject.org

Acked-by: Juergen Gross <jgross@...e.com>

Just one note: it seems as if most users will set seeks to DEFAULT_SEEKS.
Wouldn't it be better to do this in shrinker_alloc() and let only callers
who want a different value overwrite that?


Juergen

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