From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: One idea to free up page flags on NUMA Date: Mon, 25 Sep 2006 05:04:58 +0200 References: <200609240924.42382.ak@suse.de> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200609250504.58427.ak@suse.de> Sender: owner-linux-mm@kvack.org Return-Path: To: Christoph Lameter Cc: linux-mm@kvack.org, haveblue@us.ibm.com List-ID: On Monday 25 September 2006 02:31, Christoph Lameter wrote: > On Sun, 24 Sep 2006, Andi Kleen wrote: > > > > Hmmm... It only maps the kernel text segment? > > Only lowmem (normally upto ~900MB) > > > > But virtual memory is very scarce so I don't know where a new map for mem_map > > would come from. Ok you could try to move the physical location of mem_map to > > somewhere not in lowmem I suppose. > > Right could be in highmem and thus would free up around 20 Megabytes of > low memory. But won't the vmemmap need more than the 20MB? -Andi -- 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-mm.org/ . Don't email: email@kvack.org