From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: [PATCH] Fix hugetlb pool allocation with empty nodes - V2 -> V3 From: Lee Schermerhorn In-Reply-To: <29495f1d0705161259p70a1e499tb831889fd2bcebcb@mail.gmail.com> References: <20070503022107.GA13592@kryten> <1178310543.5236.43.camel@localhost> <1178728661.5047.64.camel@localhost> <29495f1d0705161259p70a1e499tb831889fd2bcebcb@mail.gmail.com> Content-Type: text/plain Date: Wed, 16 May 2007 16:32:06 -0400 Message-Id: <1179347526.5867.44.camel@localhost> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Nish Aravamudan Cc: Christoph Lameter , Anton Blanchard , linux-mm@kvack.org, ak@suse.de, mel@csn.ul.ie, apw@shadowen.org, Andrew Morton , Eric Whitney , andyw@uk.ibm.com List-ID: On Wed, 2007-05-16 at 12:59 -0700, Nish Aravamudan wrote: > > This completely breaks hugepage allocation on 4-node x86_64 box I have > here. Each node has <4GB of memory, so all memory is ZONE_DMA and > ZONE_DMA32. gfp_zone(GFP_HIGHUSER) is ZONE_NORMAL, though. So all > nodes are not populated by the default initialization to an empty > nodemask. > > Thanks to Andy Whitcroft for helping me debug this. > > I'm not sure how to fix this -- but I ran into while trying to base my > sysfs hugepage allocation patches on top of yours. > > Thoughts? I'm looking at this now on a 2 socket x86_64 blade with 2GB/node. Just noticed that I'm not seeing any nodes in the node_populated_map. Haven't figured out how to fix it yet. Stand by... Lee -- 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