From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [PATCH 3/4] domain heap allocator changes - remove bit width restrictions Date: Mon, 26 Feb 2007 08:20:14 +0000 Message-ID: <45E2A64E.76E4.0078.0@novell.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Keir Fraser Cc: Xen devel list List-Id: xen-devel@lists.xenproject.org >>> Keir Fraser 24.02.07 13:22 >>> >On 23/2/07 18:19, "Keir Fraser" wrote: > >> I.e., a double indirection to get to a particular heap list_head. >> >> Perhaps I'll take a look over the weekend... > >Done, by the way: should be good enough (reduced overhead for non-numa >system from ~1MB to ~16kB). Thanks! >I'd like to make the allocation search smarter at some point: avoid >exhaustive search of all viable heaps by instead have empty heaps point at >the next heap to try (with some tradeoff between accuracy of guidance and >cost of maintaining the guidance info; I have some ideas here). Yes, that was a rough edge I had thought of, too. Jan