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Date:   Wed, 2 Nov 2022 10:15:15 +0100
From:   David Hildenbrand <david@...hat.com>
To:     Peter Xu <peterx@...hat.com>, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Miaohe Lin <linmiaohe@...wei.com>,
        Huang Ying <ying.huang@...el.com>,
        HORIGUCHI NAOYA <naoya.horiguchi@....com>,
        Andrea Arcangeli <aarcange@...hat.com>
Subject: Re: [PATCH 1/2] mm: Always compile in pte markers

On 30.10.22 22:41, Peter Xu wrote:
> The PTE markers code is tiny and now it's enabled for most of the
> distributions.  It's fine to keep it as-is, but to make a broader use of
> it (e.g. replacing read error swap entry) it needs to be there always
> otherwise we need special code path to take care of !PTE_MARKER case.
> 
> It'll be easier just make pte marker always exist.  Use this chance to
> extend its usage to anonymous too by simply touching up some of the old
> comments, because it'll be used for anonymous pages in the follow up
> patches.
> 
> Reviewed-by: Huang Ying <ying.huang@...el.com>
> Reviewed-by: Miaohe Lin <linmiaohe@...wei.com>
> Signed-off-by: Peter Xu <peterx@...hat.com>


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

-- 
Thanks,

David / dhildenb

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