linux-kernel - Re: [PATCH v4] page_alloc: consider highatomic reserve in watermark fast

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Date:   Tue, 13 Sep 2022 15:54:35 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     yong <yongw.pur@...il.com>
Cc:     jaewon31.kim@...sung.com, mhocko@...nel.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        wang.yong12@....com.cn
Subject: Re: [PATCH v4] page_alloc: consider highatomic reserve in watermark
 fast

On Tue, Sep 13, 2022 at 09:09:47PM +0800, yong wrote:
> Hello,
> This patch is required to be patched in linux-5.4.y and linux-4.19.y.

What is "this patch"?  There is no context here :(

> In addition to that, the following two patches are somewhat related:
> 
> 	3334a45 mm/page_alloc: use ac->high_zoneidx for classzone_idx
> 	9282012 page_alloc: fix invalid watermark check on a negative value

In what way?  What should be done here by us?

confused,

greg k-h