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Date: Tue, 8 May 2007 18:21:24 -0700 From: William Lee Irwin III <wli@...omorphy.com> To: Minchen Zhao <mzhao@...otech-inc.com> Cc: linux-kernel@...r.kernel.org Subject: Re: increase Linux kernel address space 3.5 G memory on Redhat Enterprise version 4 On Tue, May 08, 2007 at 05:21:01PM -0700, Minchen Zhao wrote: > I am running Redhat Linux Enterprise version 4 update 4 on a dual-core > 4G memory machine. > There are many references on the web talking about increasing default > user address space > to 3.5 G however lacking specific instrcutions. My questions: > 1. What is the specific steps to be done for the kernel to support 3.5 G > address space? > 2. Do I need to re-compile kernel to make this happen? If so, any > specific instruction? > thanks in advance. > P.S. Please cc to me (mzhao@...otech-inc.com) to reply. Use the hugemem kernel instead of the smp kernel. You will get > 3.5GB user address space. -- wli - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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