From mboxrd@z Thu Jan 1 00:00:00 1970 From: Grant Grundler Date: Fri, 06 May 2005 15:56:20 +0000 Subject: Re: mem_map Message-Id: <20050506155620.GA23553@esmail.cup.hp.com> List-Id: References: <851caabb05050607291364149a@mail.gmail.com> In-Reply-To: <851caabb05050607291364149a@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Fri, May 06, 2005 at 07:59:59PM +0530, Vaibhav Sharma wrote: > hi all, > Can any body provide any information for the significance of > "CONFIG_VIRTUAL_MEM_MAP"? help Say Y to compile the kernel with support for a virtual mem map. This code also only takes effect if a memory hole of greater than 1 Gb is found during boot. You must turn this option on if you require the DISCONTIGMEM option for your machine. If you are unsure, say Y. The first sentence could define what a virtual mem map is. IIRC, it's something to do with non-contiguous page table. grant