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

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Date:   Thu, 24 Aug 2023 14:24:16 +0800
From:   Qi Zheng <zhengqi.arch@...edance.com>
To:     Juergen Gross <jgross@...e.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>,
        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

Hi Juergen,

On 2023/8/24 14:00, Juergen Gross wrote:
> 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>

Thanks for your review!

> 
> 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?

I think it makes sense, will do.

Thanks,
Qi

> 
> 
> Juergen