From: Michal Hocko <mhocko@kernel.org>
To: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
Andrew Morton <akpm@linux-foundation.org>,
Vlastimil Babka <vbabka@suse.cz>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v1] mm: consider non-anonymous thp as unmovable page
Date: Thu, 5 Apr 2018 17:05:47 +0200 [thread overview]
Message-ID: <20180405150547.GN6312@dhcp22.suse.cz> (raw)
In-Reply-To: <20180405134045.7axuun6d7ufobzj4@node.shutemov.name>
On Thu 05-04-18 16:40:45, Kirill A. Shutemov wrote:
> On Thu, Apr 05, 2018 at 02:48:30PM +0200, Michal Hocko wrote:
[...]
> > RIght, I confused the two. What is the proper layer to fix that then?
> > rmap_walk_file?
>
> Maybe something like this? Totally untested.
This looks way too complex. Why cannot we simply split THP page cache
during migration?
--
Michal Hocko
SUSE Labs
next prev parent reply other threads:[~2018-04-05 15:05 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-03 4:46 [PATCH v1] mm: consider non-anonymous thp as unmovable page Naoya Horiguchi
2018-04-03 7:59 ` Michal Hocko
2018-04-03 8:24 ` Naoya Horiguchi
2018-04-03 8:34 ` Michal Hocko
2018-04-03 10:54 ` Kirill A. Shutemov
2018-04-03 10:58 ` Michal Hocko
2018-04-03 11:16 ` Kirill A. Shutemov
2018-04-03 11:33 ` Michal Hocko
2018-04-05 8:59 ` Michal Hocko
2018-04-05 12:28 ` Kirill A. Shutemov
2018-04-05 12:48 ` Michal Hocko
2018-04-05 13:40 ` Kirill A. Shutemov
2018-04-05 15:05 ` Michal Hocko [this message]
2018-04-05 15:55 ` Kirill A. Shutemov
2018-04-05 16:03 ` Michal Hocko
2018-04-05 17:58 ` Zi Yan
2018-04-05 19:04 ` Michal Hocko
2018-04-05 19:09 ` Zi Yan
2018-04-06 3:07 ` [PATCH] mm: shmem: enable thp migration (Re: [PATCH v1] mm: consider non-anonymous thp as unmovable page) Naoya Horiguchi
2018-04-06 3:07 ` Naoya Horiguchi
2018-04-06 5:14 ` Naoya Horiguchi
2018-04-06 7:08 ` Michal Hocko
2018-04-06 7:08 ` Michal Hocko
2018-04-09 7:14 ` Naoya Horiguchi
2018-04-10 11:16 ` Kirill A. Shutemov
2018-04-11 9:26 ` Michal Hocko
2018-04-11 19:27 ` Andrew Morton
2018-04-11 19:43 ` Michal Hocko
2018-04-23 3:03 ` Matthew Wilcox
2018-04-23 7:21 ` Naoya Horiguchi
2018-04-05 16:42 ` [PATCH v1] mm: consider non-anonymous thp as unmovable page Sasha Levin
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