From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 28 Jul 2005 11:14:21 -0700 From: Ravikiran G Thirumalai Subject: Re: [patch] mm: Ensure proper alignment for node_remap_start_pfn Message-ID: <20050728181421.GA3842@localhost.localdomain> References: <20050728004241.GA16073@localhost.localdomain> <20050727181724.36bd28ed.akpm@osdl.org> <20050728013134.GB23923@localhost.localdomain> <1122571226.23386.44.camel@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1122571226.23386.44.camel@localhost> Sender: owner-linux-mm@kvack.org Return-Path: To: Dave Hansen Cc: Andrew Morton , Linux Kernel Mailing List , linux-mm , shai@scalex86.org List-ID: On Thu, Jul 28, 2005 at 10:20:26AM -0700, Dave Hansen wrote: > On Wed, 2005-07-27 at 18:31 -0700, Ravikiran G Thirumalai wrote: > > On Wed, Jul 27, 2005 at 06:17:24PM -0700, Andrew Morton wrote: > > > Ravikiran G Thirumalai wrote: > > > > > > Yes, it does cause a crash. > > I don't know of any NUMA x86 sub-arches that have nodes which are > aligned on any less than 2MB. Is this an architecture that's supported > in the tree, today? SRAT need not guarantee any alignment at all in the memory affinity structure (the address in 64-bit byte address). And yes, there are x86-numa machines that run the latest kernel tree and face this problem. Thanks, Kiran -- 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