From: William Lee Irwin III <wli@holomorphy.com>
To: "Jeff V. Merkey" <jmerkey@vger.timpanogas.org>
Cc: linux-kernel@vger.kernel.org, jmerkey@timpanogas.org
Subject: Re: Questton about Zone Allocation 2.4.X
Date: Thu, 2 Jan 2003 15:51:47 -0800 [thread overview]
Message-ID: <20030102235147.GS9704@holomorphy.com> (raw)
In-Reply-To: <20030102175517.A21471@vger.timpanogas.org>
On Thu, Jan 02, 2003 at 05:55:17PM -0700, Jeff V. Merkey wrote:
> I have a system in the lab with 4GB of physical and the system can see all
> the memory, however, calls to get_free_pages() will only allocate up to 1GB
> of this memory before returning an out of memory condition. I have reviewed
> Ingo's changes and enhancements with the zone allocator and it certainly
> looks like this code has the smarts to balance the contiguous free pages
> on the zone allocation lists. I need to be able to get more than 1GB to
> pin for a particular application. Where do I need to adjust the tuning
> to allow 2.4.X kernels to allocate mote than 1GB from the physical pages
> list?
> Any help would be appreciated.
> Thanks
> Jeff Merkey
> Network Associates
__get_free_pages() allocates from lowmem (i.e. 0-4GB) only.
Allocate from highmem instead.
Bill
next prev parent reply other threads:[~2003-01-02 23:43 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-03 0:55 Questton about Zone Allocation 2.4.X Jeff V. Merkey
2003-01-02 23:51 ` William Lee Irwin III [this message]
2003-01-02 23:54 ` William Lee Irwin III
2003-01-03 1:08 ` Jeff V. Merkey
2003-01-03 0:00 ` William Lee Irwin III
2003-01-03 1:15 ` Question " Jeff V. Merkey
2003-01-03 0:11 ` William Lee Irwin III
2003-01-03 1:32 ` Jeff V. Merkey
2003-01-03 0:30 ` William Lee Irwin III
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