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From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org, Michal Hocko <mhocko@suse.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
	Nicholas Piggin <npiggin@gmail.com>
Subject: Re: [PATCH v3 1/2] mm/page_ref: use atomic_set_release in page_ref_unfreeze
Date: Mon, 12 Feb 2018 17:07:46 +0300	[thread overview]
Message-ID: <20180212140746.3gojy7ybiq763pj3@node.shutemov.name> (raw)
In-Reply-To: <151844393004.210639.4672319312617954272.stgit@buzz>

On Mon, Feb 12, 2018 at 04:58:50PM +0300, Konstantin Khlebnikov wrote:
> page_ref_unfreeze() has exactly that semantic. No functional
> changes: just minus one barrier and proper handling of PPro errata.
> 
> Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>

Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>

-- 
 Kirill A. Shutemov

WARNING: multiple messages have this Message-ID (diff)
From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org, Michal Hocko <mhocko@suse.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
	Nicholas Piggin <npiggin@gmail.com>
Subject: Re: [PATCH v3 1/2] mm/page_ref: use atomic_set_release in page_ref_unfreeze
Date: Mon, 12 Feb 2018 17:07:46 +0300	[thread overview]
Message-ID: <20180212140746.3gojy7ybiq763pj3@node.shutemov.name> (raw)
In-Reply-To: <151844393004.210639.4672319312617954272.stgit@buzz>

On Mon, Feb 12, 2018 at 04:58:50PM +0300, Konstantin Khlebnikov wrote:
> page_ref_unfreeze() has exactly that semantic. No functional
> changes: just minus one barrier and proper handling of PPro errata.
> 
> Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>

Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>

-- 
 Kirill A. Shutemov

--
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  reply	other threads:[~2018-02-12 14:07 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-11 10:35 [PATCH] mm/huge_memory.c: split should clone page flags before unfreezing pageref Konstantin Khlebnikov
2018-02-11 10:35 ` Konstantin Khlebnikov
2018-02-11 11:07 ` Kirill A. Shutemov
2018-02-11 11:07   ` Kirill A. Shutemov
2018-02-11 13:13   ` Konstantin Khlebnikov
2018-02-11 13:13     ` Konstantin Khlebnikov
2018-02-11 14:29     ` [PATCH v2] mm/huge_memory.c: reorder operations in __split_huge_page_tail() Konstantin Khlebnikov
2018-02-11 14:29       ` Konstantin Khlebnikov
2018-02-11 15:14       ` Kirill A. Shutemov
2018-02-11 15:14         ` Kirill A. Shutemov
2018-02-11 15:32         ` Konstantin Khlebnikov
2018-02-11 15:32           ` Konstantin Khlebnikov
2018-02-11 15:47           ` Kirill A. Shutemov
2018-02-11 15:47             ` Kirill A. Shutemov
2018-02-11 15:55             ` Konstantin Khlebnikov
2018-02-11 15:55               ` Konstantin Khlebnikov
2018-02-11 20:09       ` Matthew Wilcox
2018-02-11 20:09         ` Matthew Wilcox
2018-02-12 13:58     ` [PATCH v3 1/2] mm/page_ref: use atomic_set_release in page_ref_unfreeze Konstantin Khlebnikov
2018-02-12 13:58       ` Konstantin Khlebnikov
2018-02-12 14:07       ` Kirill A. Shutemov [this message]
2018-02-12 14:07         ` Kirill A. Shutemov
2018-02-12 13:58     ` [PATCH v3 2/2] mm/huge_memory.c: reorder operations in __split_huge_page_tail() Konstantin Khlebnikov
2018-02-12 13:58       ` Konstantin Khlebnikov
2018-02-12 14:11       ` Kirill A. Shutemov
2018-02-12 14:11         ` Kirill A. Shutemov

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