linux-kernel - Re: [PATCH] mm: drop the 'anon_' prefix for swap-out mTHP counters

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Message-ID: <22ac01a3-ddbb-4114-88cd-ad1a31982dad@redhat.com>
Date: Wed, 22 May 2024 10:58:32 +0200
From: David Hildenbrand <david@...hat.com>
To: Baolin Wang <baolin.wang@...ux.alibaba.com>, akpm@...ux-foundation.org
Cc: willy@...radead.org, ying.huang@...el.com, 21cnbao@...il.com,
 ryan.roberts@....com, ziy@...dia.com, linux-mm@...ck.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: drop the 'anon_' prefix for swap-out mTHP counters

On 22.05.24 10:51, Baolin Wang wrote:
> The mTHP swap related counters: 'anon_swpout' and 'anon_swpout_fallback' are
> confusing with an 'anon_' prefix, since the shmem can swap out non-anonymous
> pages. So drop the 'anon_' prefix to keep consistent with the old swap counter
> names.
> 
> Suggested-by: "Huang, Ying" <ying.huang@...el.com>
> Signed-off-by: Baolin Wang <baolin.wang@...ux.alibaba.com>
> ---

Am I daydreaming or did we add the anon_ for a reason and discussed the 
interaction with shmem? At least I remember some discussion around that.

-- 
Cheers,

David / dhildenb