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Subject: Re: [patch] tune vmalloc size
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Ingo Molnar <mingo@elte.hu>
Cc: Andrew Morton <akpm@osdl.org>, Arjan van de Ven <arjanv@redhat.com>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
In-Reply-To: <20040915125356.GA11250@elte.hu>
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On Mer, 2004-09-15 at 13:53, Ingo Molnar wrote:
> there are a few devices that use lots of ioremap space. vmalloc space is
> a showstopper problem for them.
> 
> this patch adds the vmalloc=<size> boot parameter to override
> __VMALLOC_RESERVE. The default is 128mb right now - e.g. vmalloc=256m
> doubles the size.

Is there a reason for defaulting to such a small allocation even on
4G/4G platforms ?

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