linux-kernel - Re: [PATCH] jffs2 summary allocation

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Message-Id: <20080404202704.84e743d7.akpm@linux-foundation.org>
Date:	Fri, 4 Apr 2008 20:27:04 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	David Brownell <david-b@...bell.net>
Cc:	"Kyungmin Park" <kmpark@...radead.org>,
	"Josh Boyer" <jwboyer@...il.com>, linux-kernel@...r.kernel.org,
	linux-mtd@...ts.infradead.org,
	"Michael Trimarchi" <trimarchimichael@...oo.it>,
	spi-devel-general@...ts.sourceforge.net, dwmw2@...radead.org,
	linux-arm-kernel@...ts.arm.linux.org.uk
Subject: Re: [PATCH] jffs2 summary allocation

On Fri, 4 Apr 2008 19:41:34 -0700 David Brownell <david-b@...bell.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.
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