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From: Andi Kleen <andi@firstfloor.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Andi Kleen <andi@firstfloor.org>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	hugh@veritas.com, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org, npiggin@suse.de, riel@redhat.com,
	mztabzr@0pointer.de, mpm@selenic.com
Subject: Re: [PATCH] mm: MADV_WILLNEED implementation for anonymous memory
Date: Thu, 31 Jan 2008 12:06:10 +0100	[thread overview]
Message-ID: <20080131110610.GA31090@one.firstfloor.org> (raw)
In-Reply-To: <20080131021949.92715ba4.akpm@linux-foundation.org>

> Yeah, the 2.5 switch to physical scanning killed us there.
> 
> I still don't know why my allocate-swapspace-according-to-virtual-address
> change didn't help.  Much.  Marcelo played with that a bit too.

I've been thinking about just always doing swap on > page clusters. 
Any reason swapping couldn't be done on e.g. 1MB chunks? 

-Andi

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  reply	other threads:[~2008-01-31 11:06 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-30 17:28 [PATCH] mm: MADV_WILLNEED implementation for anonymous memory, mm: MADV_WILLNEED implementation for anonymous memory Peter Zijlstra
2008-01-30 18:15 ` [PATCH] " Matt Mackall
2008-01-30 22:40 ` Andrew Morton
2008-01-31  8:44   ` Peter Zijlstra
2008-01-31  9:12     ` Andrew Morton
2008-01-31  9:35       ` Peter Zijlstra
2008-01-31  9:47         ` Andrew Morton
2008-01-31  9:53           ` Peter Zijlstra
2008-01-31 10:05             ` Andrew Morton
2008-01-31 10:10               ` Peter Zijlstra
2008-01-31 10:18                 ` Andrew Morton
2008-01-31 10:15             ` Andi Kleen
2008-01-31 10:19               ` Andrew Morton
2008-01-31 11:06                 ` Andi Kleen [this message]
2008-01-31 10:52                   ` Rik van Riel
2008-01-31 11:32                     ` Andi Kleen
2008-01-31 11:09                       ` Rik van Riel

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