From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fujitsu2.fujitsu.com (localhost [127.0.0.1]) by fujitsu2.fujitsu.com (8.12.10/8.12.9) with ESMTP id i5PKjkNv027558 for ; Fri, 25 Jun 2004 13:45:46 -0700 (PDT) Date: Fri, 25 Jun 2004 13:45:30 -0700 From: Yasunori Goto Subject: Re: [Lhms-devel] Re: Merging Nonlinear and Numa style memory hotplug In-Reply-To: <1088189973.29059.231.camel@nighthawk> References: <20040625114720.2935.YGOTO@us.fujitsu.com> <1088189973.29059.231.camel@nighthawk> Message-Id: <20040625121110.2937.YGOTO@us.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Dave Hansen Cc: Linux Kernel ML , Linux Hotplug Memory Support , Linux-Node-Hotplug , linux-mm , "BRADLEY CHRISTIANSEN [imap]" List-ID: > > Are you sure that all architectures need phys_section? > > You don't *need* it, but the alternative is a scan of the mem_section[] > array, which would be much, much slower. > > Do you have an idea for an alternate implementation? I didn't find that scan of the mem_section[] is necessary. I thought just that mem_section index = phys_section index. May I ask why scan of mem_section is necessary? I might still have misunderstood something. -- Yasunori Goto -- 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: aart@kvack.org