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Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC)

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From: Andi Kleen <andi@...>
To: Peter Zijlstra <a.p.zijlstra@...>
Cc: Nick Piggin <npiggin@...>, Christoph Lameter <clameter@...>, <linux-mm@...>, <linux-kernel@...>, <akpm@...>, <dkegel@...>, David Miller <davem@...>, Daniel Phillips <phillips@...>
Subject: Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC)
Date: Wednesday, August 15, 2007 - 10:15 am

Peter Zijlstra <a.p.zijlstra@chello.nl> writes:

A minimum enforced reclaimable non dirty threshold wouldn't be
that ridiculous though. So the memory could be used, just not
for dirty data.

His patchkit essentially turns the GFP_ATOMIC requirements 
from free to easily reclaimable. I see that as an general improvement.

I remember sct talked about this many years ago and it's still
a good idea.

-Andi
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Messages in current thread:
[RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Christoph Lameter, (Tue Aug 14, 10:21 am)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Daniel Phillips, (Wed Sep 5, 5:20 am)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Christoph Lameter, (Wed Sep 5, 6:42 am)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Daniel Phillips, (Wed Sep 5, 12:16 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Christoph Lameter, (Mon Sep 10, 3:25 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Peter Zijlstra, (Mon Sep 10, 3:55 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Christoph Lameter, (Mon Sep 10, 4:22 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Peter Zijlstra, (Mon Sep 10, 4:48 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Pavel Machek, (Fri Oct 26, 1:44 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Daniel Phillips, (Sat Oct 27, 7:08 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Christoph Lameter, (Fri Oct 26, 1:55 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Daniel Phillips, (Sat Oct 27, 6:58 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Mike Snitzer, (Sat Sep 8, 1:12 am)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Daniel Phillips, (Mon Sep 17, 8:28 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Mike Snitzer, (Mon Sep 17, 11:27 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Peter Zijlstra, (Tue Sep 18, 5:30 am)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Daniel Phillips, (Tue Sep 18, 1:37 am)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Nick Piggin, (Wed Sep 5, 7:42 am)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Christoph Lameter, (Wed Sep 5, 8:14 am)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Peter Zijlstra, (Wed Sep 12, 6:52 am)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Christoph Lameter, (Wed Sep 12, 6:47 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Peter Zijlstra, (Thu Sep 13, 4:19 am)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Christoph Lameter, (Thu Sep 13, 2:32 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Peter Zijlstra, (Thu Sep 13, 3:24 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Nick Piggin, (Wed Sep 5, 8:19 am)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Christoph Lameter, (Mon Sep 10, 3:29 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Nick Piggin, (Tue Sep 11, 3:41 am)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Peter Zijlstra, (Mon Sep 10, 3:37 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Christoph Lameter, (Mon Sep 10, 3:41 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Peter Zijlstra, (Mon Sep 10, 3:55 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Christoph Lameter, (Mon Sep 10, 4:17 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Peter Zijlstra, (Mon Sep 10, 4:48 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Nick Piggin, (Wed Aug 15, 8:22 am)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Peter Zijlstra, (Wed Aug 15, 9:12 am)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Nick Piggin, (Wed Aug 15, 11:29 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Peter Zijlstra, (Sun Aug 19, 11:51 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Nick Piggin, (Mon Aug 20, 8:28 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Christoph Lameter, (Wed Sep 12, 6:39 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Peter Zijlstra, (Tue Aug 21, 11:29 am)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Nick Piggin, (Wed Aug 22, 11:02 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Christoph Lameter, (Mon Aug 20, 3:15 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Nick Piggin, (Mon Aug 20, 8:32 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Christoph Lameter, (Thu Aug 16, 4:27 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Christoph Lameter, (Wed Aug 15, 4:29 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Andi Kleen, (Wed Aug 15, 10:15 am)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Peter Zijlstra, (Wed Aug 15, 9:55 am)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Christoph Lameter, (Wed Aug 15, 4:32 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Andi Kleen, (Wed Aug 15, 10:34 am)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Peter Zijlstra, (Tue Aug 14, 10:36 am)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Christoph Lameter, (Tue Aug 14, 11:29 am)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Peter Zijlstra, (Tue Aug 14, 3:32 pm)
Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC), Christoph Lameter, (Tue Aug 14, 3:41 pm)