linux-kernel - Re: [PATCH] mm/mempolicy: clean up the code logic in queue_pages_pte

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Message-ID: <e6d5e06e-426a-19cf-dd93-9b6011a33cb0@google.com>
Date:   Sun, 24 Apr 2022 12:23:38 -0700 (PDT)
From:   David Rientjes <rientjes@...gle.com>
To:     Miaohe Lin <linmiaohe@...wei.com>
cc:     akpm@...ux-foundation.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm/mempolicy: clean up the code logic in
 queue_pages_pte_range

On Tue, 19 Apr 2022, Miaohe Lin wrote:

> Since commit e5947d23edd8 ("mm: mempolicy: don't have to split pmd for
> huge zero page"), THP is never splited in queue_pages_pmd. Thus 2 is
> never returned now. We can remove such unnecessary ret != 2 check and
> clean up the relevant comment. Minor improvements in readability.
> 
> Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>

Acked-by: David Rientjes <rientjes@...gle.com>