linux-kernel - Re: [PATCH 1/7] mm,hwpoison: Refactor get_any

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Message-ID: <20201120013301.GA26144@hori.linux.bs1.fc.nec.co.jp>
Date:   Fri, 20 Nov 2020 01:33:01 +0000
From:   HORIGUCHI NAOYA(堀口　直也) 
        <naoya.horiguchi@....com>
To:     Oscar Salvador <osalvador@...e.de>
CC:     "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "n-horiguchi@...jp.nec.com" <n-horiguchi@...jp.nec.com>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/7] mm,hwpoison: Refactor get_any_page

On Thu, Nov 19, 2020 at 11:57:10AM +0100, Oscar Salvador wrote:
> When we want to grab a refcount via get_any_page, we call
> __get_any_page that calls get_hwpoison_page to get the
> actual refcount.
> get_any_page is only there because we have a sort of retry
> mechanism in case the page we met is unknown to us or
> if we raced with an allocation.
> 
> Also __get_any_page prints some messages about the page type
> in case the page was a free page or the page type was unknown,
> but if anything, we only need to print a message in case the
> pagetype was unknown, as that is reporting an error down the chain.
> 
> Let us merge get_any_page and __get_any_page, and let the message
> be printed in soft_offline_page.
> 
> Signed-off-by: Oscar Salvador <osalvador@...e.de>

Looks good to me, thank you.

Acked-by: Naoya Horiguchi <naoya.horiguchi@....com>