linux-kernel - Re: [PATCH] mm: Fix PSWPIN counter for large folios swap-in

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Message-ID: <d2a2b77f-8748-4cc6-b54a-b21c46a24bd2@redhat.com>
Date: Wed, 23 Oct 2024 23:45:43 +0200
From: David Hildenbrand <david@...hat.com>
To: Barry Song <21cnbao@...il.com>, akpm@...ux-foundation.org,
 linux-mm@...ck.org
Cc: linux-kernel@...r.kernel.org, Barry Song <v-songbaohua@...o.com>,
 Chris Li <chrisl@...nel.org>, Yosry Ahmed <yosryahmed@...gle.com>,
 Baolin Wang <baolin.wang@...ux.alibaba.com>,
 "Huang, Ying" <ying.huang@...el.com>, Kairui Song <kasong@...cent.com>,
 Ryan Roberts <ryan.roberts@....com>,
 Kanchana P Sridhar <kanchana.p.sridhar@...el.com>,
 Usama Arif <usamaarif642@...il.com>
Subject: Re: [PATCH] mm: Fix PSWPIN counter for large folios swap-in

On 23.10.24 23:02, Barry Song wrote:
> From: Barry Song <v-songbaohua@...o.com>
> 
> Similar to PSWPOUT, we should count the number of base pages
> instead of large folios.
> 
> Fixes: 242d12c98174 ("mm: support large folios swap-in for sync io devices")
> Cc: Chris Li <chrisl@...nel.org>
> Cc: Yosry Ahmed <yosryahmed@...gle.com>
> Cc: Baolin Wang <baolin.wang@...ux.alibaba.com>
> Cc: David Hildenbrand <david@...hat.com>
> Cc: "Huang, Ying" <ying.huang@...el.com>
> Cc: Kairui Song <kasong@...cent.com>
> Cc: Ryan Roberts <ryan.roberts@....com>
> Cc: Kanchana P Sridhar <kanchana.p.sridhar@...el.com>
> Cc: Usama Arif <usamaarif642@...il.com>
> Signed-off-by: Barry Song <v-songbaohua@...o.com>
> ---
>   mm/page_io.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 

Acked-by: David Hildenbrand <david@...hat.com>

-- 
Cheers,

David / dhildenb