linux-kernel - Re: [PATCH 2/2] mm: reimplement si_mem

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Message-ID: <10a38fe0-d609-0e25-4a79-a5d23a83600b@bytedance.com>
Date:   Thu, 16 Dec 2021 23:39:02 +0800
From:   Qi Zheng <zhengqi.arch@...edance.com>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     akpm@...ux-foundation.org, rafael@...nel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, songmuchun@...edance.com
Subject: Re: [PATCH 2/2] mm: reimplement si_mem_available()



On 12/16/21 9:17 PM, Greg KH wrote:
> On Thu, Dec 16, 2021 at 08:46:55PM +0800, Qi Zheng wrote:
>> Reimplement si_mem_available() by reusing si_mem_available_node().
> 
> That says what you did, but not why.  Why are you doing this?

Oh, sorry, I will add that.

> 
> And what does it have to do with patch 1/2?

With [PATCH 1/2], we can simply sum the MemAvailable of each node
to get the gobal MemAvailable. Essentially this is a cleanup, no
functional changes.

Thanks,
Qi

> 
> thanks,
> 
> greg k-h
> 

-- 
Thanks,
Qi