On 2011年11月17日 09:30, Easley wrote: > > I always want to know which chips and devices > determine the hugepages. Could you tell me? > Any help will be appreciated. > > --Easley You can read CPU documentation, Memory management part. For ARM, check this link: http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0388g/Cihcjfjc.html
bill > ------------------ Original ------------------ > *From: * "David Gibson"<da...@gibson.dropbear.id.au>; > *Date: * Wed, Nov 16, 2011 04:42 PM > *To: * "Easley"<ugi...@gmail.com>; > *Cc: * "bill4carson"<bill4car...@gmail.com>; "Eric B > Munson"<emun...@mgebm.net>; > "libhugetlbfs-devel"<libhugetlbfs-devel@lists.sourceforge.net>; > *Subject: * Re: [Libhugetlbfs-devel] How to change the hugepagesize? > On Wed, Nov 16, 2011 at 03:07:04PM +0800, Easley wrote: > > I really want to know why I cannot change it. > > It locked by hardware or os? > > Only certain page sizes are supported by the hardware, you don't get > to chose anything you want. > > > If I change and recompile the kernel, may I make it support? > > No. > > > Can I change hugepagesize to bigger or smaller > > than 16MB on PPC? Such as 32MB or 4MB. > > In short, no. > > For powerpcpc server chips, essentially all support 16MB pages, many > support 64k, a few support 1MB and some support 16GB. Embedded ppc > chips tend to be more flexible though exactly which sizes are > supported varies. > > -- > David Gibson | I'll have my music baroque, and my code > david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ > | _way_ _around_! > http://www.ozlabs.org/~dgibson -- I am a slow learner but I will keep trying to fight for my dreams! --bill ------------------------------------------------------------------------------ All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-novd2d _______________________________________________ Libhugetlbfs-devel mailing list Libhugetlbfs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libhugetlbfs-devel
