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From: Vlastimil Babka <vbabka@suse.cz>
To: Oscar Salvador <osalvador@suse.de>, akpm@linux-foundation.org
Cc: n-horiguchi@ah.jp.nec.com, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/7] mm,hwpoison: Refactor get_any_page
Date: Wed, 25 Nov 2020 17:54:54 +0100	[thread overview]
Message-ID: <1f2561be-15bb-9c74-16e3-719ddc310cb3@suse.cz> (raw)
In-Reply-To: <20201119105716.5962-2-osalvador@suse.de>

On 11/19/20 11:57 AM, 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>

Acked-by: Vlastimil Babka <Vbabka@suse.cz>


  parent reply	other threads:[~2020-11-25 16:54 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)
2020-11-25 16:54   ` Vlastimil Babka [this message]
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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