From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 29 Sep 2005 10:06:23 +0900 From: Yasunori Goto Subject: Re: [patch] bug of pgdat_list connection in init_bootmem() In-Reply-To: <1127925735.10315.232.camel@localhost> References: <20050928223844.8655.Y-GOTO@jp.fujitsu.com> <1127925735.10315.232.camel@localhost> Message-Id: <20050929095955.7ACF.Y-GOTO@jp.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: Andrew Morton , linux-mm List-ID: > On Wed, 2005-09-28 at 22:50 +0900, Yasunori Goto wrote: > > I would like to remove this pgdat_list, to simplify hot-add/remove > > a node. and posted patch before. > > http://marc.theaimsgroup.com/?l=linux-mm&m=111596924629564&w=2 > > http://marc.theaimsgroup.com/?l=linux-mm&m=111596953711780&w=2 > > > > I would like to repost after getting performance impact by this. > > But it is very hard that I can get time to use big NUMA machine now. > > So, I don't know when I will be able to repost it. > > > > Anyway, this should be modified before remove pgdat_list. > > Could you resync those to a current kernel and resend them? I'll take > them into -mhp for a bit. > > I'd be very skeptical that it would hurt performance. If nothing else, > it just makes the pgdat smaller, and the likelyhood of having the next > bit in a bitmask and the NODE_DATA() entry in your cache is slightly > higher than some random pgdat->list. Ok! I'll do it. :-) Thanks. -- 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: email@kvack.org