From: Brian Gerst <bgerst@didntduck.org>
To: Holger Lubitz <h.lubitz@internet-factory.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: modify_ldt returning ENOMEM on highmem
Date: Tue, 18 Dec 2001 09:50:46 -0500 [thread overview]
Message-ID: <3C1F57C6.23DECC61@didntduck.org> (raw)
In-Reply-To: <200112171852.fBHIqJR05703@orp.orf.cx> <3C1F5076.3B6A509E@internet-factory.de>
Holger Lubitz wrote:
>
> Leigh Orf proclaimed:
> > Do you have an NTFS disk mounted? I had a similar problem which was
> > "fixed" by not having an NTFS vol mounted. Apparently the ntfs code
> > makes a lot of calls to vmalloc which leads to badness.
>
> Yes, I have. I'll try not mounting it. Which would be a better
> workaround than disabling 1/8 of my RAM.
> The funny thing is just - why does it work fine with up to 896 MB, but
> gives ENOMEM with _more_ RAM?
Because of the way the kernel uses its 1GB of virtual address space.
Physical memory is mapped 1:1 up to 960 MB, with the remaining virtual
address space (64MB or more) is reserved for virtual mappings like
vmalloc and ioremap.
--
Brian Gerst
next prev parent reply other threads:[~2001-12-18 14:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-12-17 18:52 modify_ldt returning ENOMEM on highmem Leigh Orf
2001-12-18 14:19 ` Holger Lubitz
2001-12-18 14:50 ` Brian Gerst [this message]
-- strict thread matches above, loose matches on Subject: below --
2001-12-17 19:20 Manfred Spraul
2001-12-18 3:40 ` Leigh Orf
[not found] ` <Your message of "Mon, 17 Dec 2001 20:20:25 +0100." <3C1E4579.4A46F32F@colorfullife.com>
2001-12-18 9:08 ` Anton Altaparmakov
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