From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 27 Jun 2000 03:27:15 +0200 (CEST) From: Andrea Arcangeli Subject: Re: Why is the free_list not null-terminated? In-Reply-To: <20000623193609Z131187-21004+54@kanga.kvack.org> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Timur Tabi Cc: Linux MM mailing list List-ID: On Fri, 23 Jun 2000, Timur Tabi wrote: >Question #1: Does this mean that there are no free zones of Order 2 (16KB)? It means there are no free contigous chunks of memory of order 2 in such zone. >Question #2: Why are prev and next not set to null? Why do they point because of linux/include/list.h ;), more seriously that avoids a path in the list insert/remove code but the head of the list is double size (and this is not an issue except for large hashtables). (btw give a try also to SYSRQ+M if you are interested about similar info) Andrea -- 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.eu.org/Linux-MM/