From: Matthew Wilcox <willy@infradead.org>
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 v2] mm/huge_memory.c: reorder operations in __split_huge_page_tail()
Date: Sun, 11 Feb 2018 12:09:28 -0800 [thread overview]
Message-ID: <20180211200928.GA4680@bombadil.infradead.org> (raw)
In-Reply-To: <151835937752.185602.5640977700089242532.stgit@buzz>
On Sun, Feb 11, 2018 at 05:29:37PM +0300, Konstantin Khlebnikov wrote:
> + /*
> + * Finally unfreeze refcount. Additional pin to radix tree.
> + */
> + page_ref_unfreeze(page_tail, 1 + (!PageAnon(head) ||
> + PageSwapCache(head)));
Please say "Additional pin from page cache", not "radix tree".
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next prev parent reply other threads:[~2018-02-11 20:09 UTC|newest]
Thread overview: 13+ 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 11:07 ` Kirill A. Shutemov
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 15:14 ` Kirill A. Shutemov
2018-02-11 15:32 ` Konstantin Khlebnikov
2018-02-11 15:47 ` Kirill A. Shutemov
2018-02-11 15:55 ` Konstantin Khlebnikov
2018-02-11 20:09 ` Matthew Wilcox [this message]
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 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 14:11 ` Kirill A. Shutemov
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