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From: Andrew Morton <akpm@linux-foundation.org>
To: David Brownell <david-b@pacbell.net>
Cc: Kyungmin Park <kmpark@infradead.org>,
	linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org,
	Michael Trimarchi <trimarchimichael@yahoo.it>,
	spi-devel-general@lists.sourceforge.net,
	Josh Boyer <jwboyer@gmail.com>,
	dwmw2@infradead.org, linux-arm-kernel@lists.arm.linux.org.uk
Subject: Re: [PATCH] jffs2 summary allocation
Date: Fri, 4 Apr 2008 20:27:04 -0700	[thread overview]
Message-ID: <20080404202704.84e743d7.akpm@linux-foundation.org> (raw)
In-Reply-To: <200804041941.35075.david-b@pacbell.net>

On Fri, 4 Apr 2008 19:41:34 -0700 David Brownell <david-b@pacbell.net> wrote:

> On Friday 04 April 2008, Andrew Morton wrote:
> > This problem comes up pretty often. 
> 
> Which problem -- kmalloc(BIG)?  Or dma(dma-unsafe-mem)?
> Or something else?

Code needing a large amount of memory, trying to kmalloc it, then getting
into trouble, them using vmalloc, then getting into more trouble.

This is kernel - order-0 allocations will always be the most robust.

  reply	other threads:[~2008-04-05  3:27 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-04 10:23 [PATCH] jffs2 summary allocation Michael Trimarchi
2008-04-04 19:48 ` Andrew Morton
2008-04-04 20:09   ` Russell King - ARM Linux
2008-04-04 23:09   ` David Brownell
2008-04-04 23:21     ` Josh Boyer
2008-04-04 23:58       ` David Brownell
2008-04-05  1:11         ` Josh Boyer
2008-04-05  1:29           ` Kyungmin Park
2008-04-05  1:46             ` Andrew Morton
2008-04-05  2:41               ` David Brownell
2008-04-05  3:27                 ` Andrew Morton [this message]
2008-04-05  2:17             ` David Brownell

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