linux-kernel - Re: [RFC][PATCH 7/9] mm/vmscan: Consider anonymous pages without swap

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Date:   Thu, 29 Oct 2020 07:33:07 -0700
From:   Dave Hansen <dave.hansen@...el.com>
To:     Oscar Salvador <osalvador@...e.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        kbusch@...nel.org, vishal.l.verma@...el.com,
        yang.shi@...ux.alibaba.com, rientjes@...gle.com,
        ying.huang@...el.com, dan.j.williams@...el.com, david@...hat.com
Subject: Re: [RFC][PATCH 7/9] mm/vmscan: Consider anonymous pages without swap

On 10/29/20 1:14 AM, Oscar Salvador wrote:
> With this patch, we will use always the atomic version
> get_nr_swap_pages from now on. Is that ok? I guess so, but it might
> warrant a mention in the changelog?

I _think_ it's OK.  But, you're right that it's a potential behavior
change that's not mentioned in the changelog.

I'll mention it in the changelog and see if I can dream up any other
practical implications from this change.

Thanks for taking a look!