From: "HORIGUCHI NAOYA(堀口 直也)" <naoya.horiguchi@nec.com>
To: Oscar Salvador <osalvador@suse.de>
Cc: "akpm@linux-foundation.org" <akpm@linux-foundation.org>,
"n-horiguchi@ah.jp.nec.com" <n-horiguchi@ah.jp.nec.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/7] mm,hwpoison: Refactor get_any_page
Date: Fri, 20 Nov 2020 01:33:01 +0000 [thread overview]
Message-ID: <20201120013301.GA26144@hori.linux.bs1.fc.nec.co.jp> (raw)
In-Reply-To: <20201119105716.5962-2-osalvador@suse.de>
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@suse.de>
Looks good to me, thank you.
Acked-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
next prev parent reply other threads:[~2020-11-20 1:33 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-19 10:57 [PATCH 0/7] HWPoison: Refactor get page interface Oscar Salvador
2020-11-19 10:57 ` [PATCH 1/7] mm,hwpoison: Refactor get_any_page Oscar Salvador
2020-11-20 1:33 ` HORIGUCHI NAOYA(堀口 直也) [this message]
2020-11-25 16:54 ` Vlastimil Babka
2020-11-19 10:57 ` [PATCH 2/7] mm,hwpoison: Drop pfn parameter Oscar Salvador
2020-11-20 1:33 ` HORIGUCHI NAOYA(堀口 直也)
2020-11-25 16:55 ` Vlastimil Babka
2020-11-19 10:57 ` [PATCH 3/7] mm,madvise: call soft_offline_page() without MF_COUNT_INCREASED Oscar Salvador
2020-11-25 18:20 ` Vlastimil Babka
2020-12-01 11:35 ` Oscar Salvador
2020-12-04 17:25 ` Vlastimil Babka
2020-12-05 15:34 ` Oscar Salvador
2020-12-07 2:34 ` HORIGUCHI NAOYA(堀口 直也)
2020-12-07 7:24 ` Oscar Salvador
2020-11-19 10:57 ` [PATCH 4/7] mm,hwpoison: remove MF_COUNT_INCREASED Oscar Salvador
2020-11-19 10:57 ` [PATCH 5/7] mm,hwpoison: remove flag argument from soft offline functions Oscar Salvador
2020-11-19 10:57 ` [PATCH 6/7] mm,hwpoison: Disable pcplists before grabbing a refcount Oscar Salvador
2020-11-20 1:33 ` HORIGUCHI NAOYA(堀口 直也)
2020-11-26 13:45 ` Vlastimil Babka
2020-11-28 0:51 ` Andrew Morton
2020-11-19 10:57 ` [PATCH 7/7] mm,hwpoison: Remove drain_all_pages from shake_page Oscar Salvador
2020-11-20 1:33 ` HORIGUCHI NAOYA(堀口 直也)
2020-11-26 13:52 ` Vlastimil Babka
2020-11-27 7:20 ` Oscar Salvador
2020-12-02 13:34 ` [PATCH 0/7] HWPoison: Refactor get page interface Qian Cai
2020-12-02 13:41 ` Oscar Salvador
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