From: Wanpeng Li <liwanp@linux.vnet.ibm.com>
To: Lin Feng <linfeng@cn.fujitsu.com>
Cc: Mel Gorman <mgorman@suse.de>,
Andrew Morton <akpm@linux-foundation.org>,
bcrl@kvack.org, viro@zeniv.linux.org.uk, khlebnikov@openvz.org,
walken@google.com, kamezawa.hiroyu@jp.fujitsu.com,
minchan@kernel.org, riel@redhat.com, rientjes@google.com,
isimatu.yasuaki@jp.fujitsu.com, wency@cn.fujitsu.com,
laijs@cn.fujitsu.com, jiang.liu@huawei.com, mhocko@suse.cz,
linux-mm@kvack.org, linux-aio@kvack.org,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] mm: hotplug: implement non-movable version of get_user_pages() called get_user_pages_non_movable()
Date: Wed, 20 Feb 2013 10:44:35 +0800 [thread overview]
Message-ID: <28260.3998123252$1361328322@news.gmane.org> (raw)
In-Reply-To: <5124363C.9060604@cn.fujitsu.com>
On Wed, Feb 20, 2013 at 10:34:36AM +0800, Lin Feng wrote:
>
>
>On 02/19/2013 09:37 PM, Lin Feng wrote:
>>> >
>>> > The other is that this almost certainly broken for transhuge page
>>> > handling. gup returns the head and tail pages and ordinarily this is ok
>> I can't find codes doing such things :(, could you please point me out?
>>
>Sorry, I misunderstood what "tail pages" means, stupid question, just ignore it.
>flee...
According to the compound page, the first page of compound page is
called head page, other sub pages are called tail pages.
Regards,
Wanpeng Li
>
>thanks,
>linfeng
>
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next prev parent reply other threads:[~2013-02-20 2:44 UTC|newest]
Thread overview: 88+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-04 10:04 [PATCH 0/2] mm: hotplug: implement non-movable version of get_user_pages() to kill long-time pin pages Lin Feng
2013-02-04 10:04 ` Lin Feng
2013-02-04 10:04 ` [PATCH 1/2] mm: hotplug: implement non-movable version of get_user_pages() called get_user_pages_non_movable() Lin Feng
2013-02-04 10:04 ` Lin Feng
2013-02-04 10:04 ` Lin Feng
2013-02-05 0:06 ` Andrew Morton
2013-02-05 0:06 ` Andrew Morton
2013-02-05 0:06 ` Andrew Morton
2013-02-05 0:18 ` Andrew Morton
2013-02-05 0:18 ` Andrew Morton
2013-02-05 3:09 ` Lin Feng
2013-02-05 3:09 ` Lin Feng
2013-02-05 3:09 ` Lin Feng
2013-02-05 21:13 ` Andrew Morton
2013-02-05 21:13 ` Andrew Morton
2013-02-05 21:13 ` Andrew Morton
2013-02-05 11:57 ` Mel Gorman
2013-02-05 11:57 ` Mel Gorman
2013-02-05 11:57 ` Mel Gorman
2013-02-05 13:32 ` Mel Gorman
2013-02-05 13:32 ` Mel Gorman
2013-02-05 13:32 ` Mel Gorman
2013-02-19 13:37 ` Lin Feng
2013-02-19 13:37 ` Lin Feng
2013-02-20 2:34 ` Lin Feng
2013-02-20 2:34 ` Lin Feng
2013-02-20 2:34 ` Lin Feng
2013-02-20 2:44 ` Wanpeng Li [this message]
2013-02-20 2:44 ` Wanpeng Li
2013-02-20 2:44 ` Wanpeng Li
2013-02-20 2:59 ` Lin Feng
2013-02-20 2:59 ` Lin Feng
2013-02-20 9:58 ` Simon Jeons
2013-02-20 9:58 ` Simon Jeons
2013-02-20 10:23 ` Lin Feng
2013-02-20 10:23 ` Lin Feng
2013-02-20 10:23 ` Lin Feng
2013-02-20 11:31 ` Simon Jeons
2013-02-20 11:31 ` Simon Jeons
2013-02-20 11:54 ` Lin Feng
2013-02-20 11:54 ` Lin Feng
2013-02-20 11:54 ` Lin Feng
2013-02-06 2:26 ` Michel Lespinasse
2013-02-06 2:26 ` Michel Lespinasse
2013-02-06 2:26 ` Michel Lespinasse
2013-02-06 10:41 ` Mel Gorman
2013-02-06 10:41 ` Mel Gorman
2013-02-18 10:34 ` Lin Feng
2013-02-18 10:34 ` Lin Feng
2013-02-18 10:34 ` Lin Feng
2013-02-18 15:17 ` Mel Gorman
2013-02-18 15:17 ` Mel Gorman
2013-02-18 15:17 ` Mel Gorman
2013-02-19 9:55 ` Lin Feng
2013-02-19 9:55 ` Lin Feng
2013-02-19 10:34 ` Mel Gorman
2013-02-19 10:34 ` Mel Gorman
2013-02-19 10:34 ` Mel Gorman
2013-02-04 10:04 ` [PATCH 2/2] fs/aio.c: use get_user_pages_non_movable() to pin ring pages when support memory hotremove Lin Feng
2013-02-04 10:04 ` Lin Feng
2013-02-04 10:04 ` Lin Feng
2013-02-04 15:18 ` Jeff Moyer
2013-02-04 15:18 ` Jeff Moyer
2013-02-04 15:18 ` Jeff Moyer
2013-02-04 23:02 ` Zach Brown
2013-02-04 23:02 ` Zach Brown
2013-02-04 23:02 ` Zach Brown
2013-02-05 5:35 ` Lin Feng
2013-02-05 5:35 ` Lin Feng
2013-02-05 5:35 ` Lin Feng
2013-02-05 5:06 ` Lin Feng
2013-02-05 5:06 ` Lin Feng
2013-02-05 0:58 ` [PATCH 0/2] mm: hotplug: implement non-movable version of get_user_pages() to kill long-time pin pages Minchan Kim
2013-02-05 0:58 ` Minchan Kim
2013-02-05 0:58 ` Minchan Kim
2013-02-05 4:42 ` Lin Feng
2013-02-05 4:42 ` Lin Feng
2013-02-05 5:25 ` Minchan Kim
2013-02-05 5:25 ` Minchan Kim
2013-02-05 5:25 ` Minchan Kim
2013-02-05 6:18 ` Lin Feng
2013-02-05 6:18 ` Lin Feng
2013-02-05 7:45 ` Minchan Kim
2013-02-05 7:45 ` Minchan Kim
2013-02-05 7:45 ` Minchan Kim
2013-02-05 8:27 ` Lin Feng
2013-02-05 8:27 ` Lin Feng
2013-02-05 8:27 ` Lin Feng
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