linux-kernel - Re: [PATCH v3 04/14] mm/ksm: use folio in remove_stable

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Message-ID: <38e17cb6-3337-4213-b1a5-297c9c28f27f@redhat.com>
Date: Fri, 5 Apr 2024 09:26:00 +0200
From: David Hildenbrand <david@...hat.com>
To: alexs@...nel.org, Matthew Wilcox <willy@...radead.org>,
 Andrea Arcangeli <aarcange@...hat.com>,
 Izik Eidus <izik.eidus@...ellosystems.com>,
 Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
 linux-kernel@...r.kernel.org, ryncsn@...il.com
Cc: Hugh Dickins <hughd@...gle.com>, Chris Wright <chrisw@...s-sol.org>
Subject: Re: [PATCH v3 04/14] mm/ksm: use folio in remove_stable_node

On 25.03.24 13:48, alexs@...nel.org wrote:
> From: "Alex Shi (tencent)" <alexs@...nel.org>
> 
> pages in stable tree are all single normal page, so uses ksm_get_folio()

.. "small folios"

> and folio_set_stable_node(), also saves 3 calls to compound_head().
> 
> Signed-off-by: Alex Shi (tencent) <alexs@...nel.org>
> Cc: Izik Eidus <izik.eidus@...ellosystems.com>
> Cc: Matthew Wilcox <willy@...radead.org>
> Cc: Andrea Arcangeli <aarcange@...hat.com>
> Cc: Hugh Dickins <hughd@...gle.com>
> Cc: Chris Wright <chrisw@...s-sol.org>
> ---


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

-- 
Cheers,

David / dhildenb