From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Wilcox Date: Sun, 20 Feb 2005 15:57:43 +0000 Subject: Re: IA64 memory Message-Id: <20050220155743.GA32640@parcelfarce.linux.theplanet.co.uk> List-Id: References: <851caabb05020220513945437@mail.gmail.com> In-Reply-To: <851caabb05020220513945437@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 Sun, Feb 20, 2005 at 04:48:50PM +0530, Vaibhav Sharma wrote: > The memory map from efi is also defined for locations more than that > which is available (I had 6GB of RAM on the machine, but the memory > map covered addresses more than 6GB). I could not understand why it > does so... The memory in the machine isn't necessarily contiguous. For example, an hp zx1 machine would map 6GB of memory at 0-1GB then 257-260GB, then 4-6GB -- "Next the statesmen will invent cheap lies, putting the blame upon the nation that is attacked, and every man will be glad of those conscience-soothing falsities, and will diligently study them, and refuse to examine any refutations of them; and thus he will by and by convince himself that the war is just, and will thank God for the better sleep he enjoys after this process of grotesque self-deception." -- Mark Twain