linux-kernel - Re: [PATCH v3 2/3] memory tiering: introduce folio_use_access

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Message-ID: <f82d58f6-4549-4f74-9bd1-0507d2e1afc1@redhat.com>
Date: Wed, 24 Jul 2024 16:13:17 +0200
From: David Hildenbrand <david@...hat.com>
To: Zi Yan <ziy@...dia.com>, Andrew Morton <akpm@...ux-foundation.org>,
 linux-mm@...ck.org
Cc: "Huang, Ying" <ying.huang@...el.com>,
 Baolin Wang <baolin.wang@...ux.alibaba.com>,
 Kefeng Wang <wangkefeng.wang@...wei.com>,
 Lorenzo Stoakes <lorenzo.stoakes@...cle.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/3] memory tiering: introduce folio_use_access_time()
 check

On 24.07.24 15:01, Zi Yan wrote:
> If memory tiering mode is on and a folio is not in the top tier memory,
> folio's cpupid field is repurposed to store page access time. Instead of
> an open coded check, use a function to encapsulate the check.
> 
> Signed-off-by: Zi Yan <ziy@...dia.com>
> Reviewed-by: "Huang, Ying" <ying.huang@...el.com>
> Acked-by: David Hildenbrand <david@...hat.com>
> ---

Yes, that is much clearer, thanks!

-- 
Cheers,

David / dhildenb