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[RFC][PATCH 0/5] mem notifications v4

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From: KOSAKI Motohiro <kosaki.motohiro@...>
To: <linux-mm@...>, <linux-kernel@...>
Cc: <kosaki.motohiro@...>, Marcelo Tosatti <marcelo@...>, Daniel Spang <daniel.spang@...>, Rik van Riel <riel@...>, Andrew Morton <akpm@...>
Subject: [RFC][PATCH 0/5] mem notifications v4
Date: Monday, January 14, 2008 - 8:52 pm

Hi!

The /dev/mem_notify is low memory notification device.
it can avoid swappness and oom by cooperationg with the user process.

You need not be annoyed by OOM any longer :)
please any comments!


related discussion:
--------------------------------------------------------------
  LKML OOM notifications requirement discussion
     http://www.gossamer-threads.com/lists/linux/kernel/832802?nohighlight=1#832802
  OOM notifications patch [Marcelo Tosatti]
     http://marc.info/?l=linux-kernel&m=119273914027743&w=2
  mem notifications v3 [Marcelo Tosatti]
     http://marc.info/?l=linux-mm&m=119852828327044&w=2
  Thrashing notification patch  [Daniel Spang]
     http://marc.info/?l=linux-mm&m=119427416315676&w=2


Changelog
-------------------------------------------------
  v3 -> v4 (by KOSAKI Motohiro)
    o rebase to 2.6.24-rc6-mm1
    o avoid wake up all.
    o add judgement point to __free_one_page().
    o add zone awareness.

  v2 -> v3 (by Marcelo Tosatti)
    o changes the notification point to happen whenever
      the VM moves an anonymous page to the inactive list.
    o implement notification rate limit.

  v1(oom notify) -> v2 (by Marcelo Tosatti)
    o name change
    o notify timing change from just swap thrashing to
      just before thrashing.
    o also works with swapless device.




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Messages in current thread:
[RFC][PATCH 0/5] mem notifications v4, KOSAKI Motohiro, (Mon Jan 14, 8:52 pm)
[RFC][PATCH 5/5] /proc/zoneinfo enhancement, KOSAKI Motohiro, (Mon Jan 14, 9:03 pm)
Re: [RFC][PATCH 5/5] /proc/zoneinfo enhancement, Alan Cox, (Tue Jan 15, 6:44 am)
Re: [RFC][PATCH 5/5] /proc/zoneinfo enhancement, KOSAKI Motohiro, (Tue Jan 15, 6:49 am)
[RFC][PATCH 4/5] memory_pressure_notify() caller, KOSAKI Motohiro, (Mon Jan 14, 9:02 pm)
Re: [RFC][PATCH 4/5] memory_pressure_notify() caller, Daniel Spång, (Tue Jan 15, 6:55 pm)
Re: [RFC][PATCH 4/5] memory_pressure_notify() caller, Rik van Riel, (Tue Jan 15, 6:59 pm)
Re: [RFC][PATCH 4/5] memory_pressure_notify() caller, Daniel Spång, (Tue Jan 15, 7:39 pm)
Re: [RFC][PATCH 4/5] memory_pressure_notify() caller, KOSAKI Motohiro, (Tue Jan 15, 9:48 pm)
Re: [RFC][PATCH 4/5] memory_pressure_notify() caller, Daniel Spång, (Wed Jan 16, 7:03 am)
Re: [RFC][PATCH 4/5] memory_pressure_notify() caller, KOSAKI Motohiro, (Wed Jan 16, 11:26 pm)
Re: [RFC][PATCH 4/5] memory_pressure_notify() caller, Daniel Spång, (Fri Jan 18, 6:24 am)
Re: [RFC][PATCH 4/5] memory_pressure_notify() caller, KOSAKI Motohiro, (Fri Jan 18, 6:30 am)
Re: [RFC][PATCH 4/5] memory_pressure_notify() caller, KAMEZAWA Hiroyuki, (Mon Jan 14, 10:06 pm)
Re: [RFC][PATCH 4/5] memory_pressure_notify() caller, KOSAKI Motohiro, (Mon Jan 14, 10:37 pm)
Re: [RFC][PATCH 4/5] memory_pressure_notify() caller, KAMEZAWA Hiroyuki, (Mon Jan 14, 11:00 pm)
Re: [RFC][PATCH 4/5] memory_pressure_notify() caller, KOSAKI Motohiro, (Mon Jan 14, 11:08 pm)
[RFC][PATCH 3/5] add /dev/mem_notify device, KOSAKI Motohiro, (Mon Jan 14, 9:01 pm)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, Pavel Machek, (Tue Jan 15, 6:16 pm)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, KOSAKI Motohiro, (Tue Jan 15, 9:57 pm)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, Marcelo Tosatti, (Wed Jan 16, 12:13 am)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, Pavel Machek, (Wed Jan 16, 7:42 am)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, Daniel Spång, (Wed Jan 16, 7:51 am)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, KOSAKI Motohiro, (Wed Jan 16, 11:04 pm)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, Alan Cox, (Tue Jan 15, 6:46 am)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, KOSAKI Motohiro, (Tue Jan 15, 6:59 am)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, Alan Cox, (Tue Jan 15, 7:20 am)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, Marcelo Tosatti, (Tue Jan 15, 8:05 am)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, Alan Cox, (Tue Jan 15, 9:42 am)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, KOSAKI Motohiro, (Tue Jan 15, 7:48 am)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, Alan Cox, (Tue Jan 15, 9:42 am)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, KOSAKI Motohiro, (Tue Jan 15, 10:43 pm)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, KAMEZAWA Hiroyuki, (Mon Jan 14, 10:10 pm)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, KOSAKI Motohiro, (Mon Jan 14, 10:20 pm)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, Rik van Riel, (Mon Jan 14, 10:56 pm)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, Randy Dunlap, (Mon Jan 14, 9:08 pm)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, KOSAKI Motohiro, (Mon Jan 14, 9:20 pm)
Re: [RFC][PATCH 3/5] add /dev/mem_notify device, KOSAKI Motohiro, (Mon Jan 14, 9:24 pm)
[RFC][PATCH 2/5] introduce wake_up_locked_nr() new API, KOSAKI Motohiro, (Mon Jan 14, 9:00 pm)
[RFC][PATCH 1/5] introduce poll_wait_exclusive() new API , KOSAKI Motohiro, (Mon Jan 14, 8:59 pm)