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Re: [RFC][PATCH 3/5] add /dev/mem_notify device

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From: Alan Cox
Subject: Re: [RFC][PATCH 3/5] add /dev/mem_notify device
Date: Tuesday, January 15, 2008 - 3:46 am

On Tue, 15 Jan 2008 10:01:21 +0900
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> wrote:


As you only wake one process how would you use this API from processes
which want to monitor and can free memory under load. Also what fairness
guarantees are there...

Alan
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Messages in current thread:
[RFC][PATCH 0/5] mem notifications v4, KOSAKI Motohiro, (Mon Jan 14, 5:52 pm)
[RFC][PATCH 1/5] introduce poll_wait_exclusive() new API , KOSAKI Motohiro, (Mon Jan 14, 5:59 pm)
[RFC][PATCH 2/5] introduce wake_up_locked_nr() new API, KOSAKI Motohiro, (Mon Jan 14, 6:00 pm)
[RFC][PATCH 3/5] add /dev/mem_notify device, KOSAKI Motohiro, (Mon Jan 14, 6:01 pm)
[RFC][PATCH 4/5] memory_pressure_notify() caller, KOSAKI Motohiro, (Mon Jan 14, 6:02 pm)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, Randy Dunlap, (Mon Jan 14, 6:08 pm)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, KOSAKI Motohiro, (Mon Jan 14, 6:20 pm)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, KOSAKI Motohiro, (Mon Jan 14, 6:24 pm)
Re: [RFC][PATCH 4/5] memory_pressure_notify() caller, KAMEZAWA Hiroyuki, (Mon Jan 14, 7:06 pm)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, KAMEZAWA Hiroyuki, (Mon Jan 14, 7:10 pm)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, KOSAKI Motohiro, (Mon Jan 14, 7:20 pm)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, Rik van Riel, (Mon Jan 14, 7:56 pm)
Re: [RFC][PATCH 4/5] memory_pressure_notify() caller, KAMEZAWA Hiroyuki, (Mon Jan 14, 8:00 pm)
Re: [RFC][PATCH 4/5] memory_pressure_notify() caller, KOSAKI Motohiro, (Mon Jan 14, 8:08 pm)
Re: [RFC][PATCH 5/5] /proc/zoneinfo enhancement, Alan Cox, (Tue Jan 15, 3:44 am)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, Alan Cox, (Tue Jan 15, 3:46 am)
Re: [RFC][PATCH 5/5] /proc/zoneinfo enhancement, KOSAKI Motohiro, (Tue Jan 15, 3:49 am)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, KOSAKI Motohiro, (Tue Jan 15, 3:59 am)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, Alan Cox, (Tue Jan 15, 4:20 am)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, KOSAKI Motohiro, (Tue Jan 15, 4:48 am)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, Marcelo Tosatti, (Tue Jan 15, 5:05 am)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, Alan Cox, (Tue Jan 15, 6:42 am)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, Alan Cox, (Tue Jan 15, 6:42 am)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, Pavel Machek, (Tue Jan 15, 3:16 pm)
Re: [RFC][PATCH 4/5] memory_pressure_notify() caller, Daniel Spång, (Tue Jan 15, 3:55 pm)
Re: [RFC][PATCH 4/5] memory_pressure_notify() caller, Rik van Riel, (Tue Jan 15, 3:59 pm)
Re: [RFC][PATCH 4/5] memory_pressure_notify() caller, Daniel Spång, (Tue Jan 15, 4:39 pm)
Re: [RFC][PATCH 4/5] memory_pressure_notify() caller, KOSAKI Motohiro, (Tue Jan 15, 6:48 pm)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, KOSAKI Motohiro, (Tue Jan 15, 6:57 pm)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, KOSAKI Motohiro, (Tue Jan 15, 7:43 pm)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, Marcelo Tosatti, (Tue Jan 15, 9:13 pm)
Re: [RFC][PATCH 4/5] memory_pressure_notify() caller, Daniel Spång, (Wed Jan 16, 4:03 am)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, KOSAKI Motohiro, (Wed Jan 16, 8:04 pm)
Re: [RFC][PATCH 4/5] memory_pressure_notify() caller, KOSAKI Motohiro, (Wed Jan 16, 8:26 pm)
Re: [RFC][PATCH 4/5] memory_pressure_notify() caller, KOSAKI Motohiro, (Fri Jan 18, 3:30 am)