linux-kernel - Re: Implementing NVMHCI...

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Message-ID: <874owr8ztm.fsf@basil.nowhere.org>
Date:	Tue, 14 Apr 2009 09:22:13 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Avi Kivity <avi@...hat.com>, Alan Cox <alan@...rguk.ukuu.org.uk>,
	Szabolcs Szakacsits <szaka@...s-3g.com>,
	Grant Grundler <grundler@...gle.com>,
	Linux IDE mailing list <linux-ide@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Jens Axboe <jens.axboe@...cle.com>,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: Implementing NVMHCI...

Linus Torvalds <torvalds@...ux-foundation.org> writes:
>
> You absolutely do _not_ want to manage memory in 16kB chunks (or 64kB for 
> your example!).

AFAIK at least for user visible anonymous memory Windows uses 64k 
chunks. At least that is what Cygwin's mmap exposes. I don't know
if it does the same for disk cache.

-Andi
-- 
ak@...ux.intel.com -- Speaking for myself only.
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