From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 17 May 2001 18:39:31 +0100 From: "Stephen C. Tweedie" Subject: Re: Running out of vmalloc space Message-ID: <20010517183931.V2617@redhat.com> References: <3B04069C.49787EC2@fc.hp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3B04069C.49787EC2@fc.hp.com>; from dp@fc.hp.com on Thu, May 17, 2001 at 11:13:00AM -0600 Sender: owner-linux-mm@kvack.org Return-Path: To: David Pinedo Cc: linux-mm@kvack.org, Stephen Tweedie List-ID: Hi, On Thu, May 17, 2001 at 11:13:00AM -0600, David Pinedo wrote: > On Linux, HP supports up to two FX10 boards in the system. In order to > use two FX10 boards, the kernel driver needs to map the frame buffer and > control space for both of the boards. That's a lot of address space, > 2*(16M+32M)=96M to be exact. Using this much virtual address space on a > stock RH7.1 smp kernel on a system with 0.5G of memory didn't seem to > be a problem. However, a colleague reported a problem to me on his > system with 1.0G of memory -- the X server was exiting with an error > message indicating that it couldn't map both devices. You obviously want to be able to map this memory into the X server's virtual address space, but do you really need to map it into the kernel's VA too? Cheers, Stephen -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux.eu.org/Linux-MM/