From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <47926DFA.5020601@sgi.com> Date: Sat, 19 Jan 2008 13:39:06 -0800 From: Mike Travis MIME-Version: 1.0 Subject: Re: [PATCH 4/5] x86: Add config variables for SMP_MAX References: <20080118183011.354965000@sgi.com> <20080118183011.917801000@sgi.com> <20080119145243.GA27974@elte.hu> In-Reply-To: <20080119145243.GA27974@elte.hu> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Ingo Molnar Cc: Andrew Morton , Andi Kleen , Christoph Lameter , linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: Ingo Molnar wrote: > * travis@sgi.com wrote: > >> Adds and increases some config variables to accomodate larger SMP >> configurations: >> >> NR_CPUS: max limit now 4096 >> NODES_SHIFT: max limit now 9 >> THREAD_ORDER: max limit now 3 >> X86_SMP_MAX: say Y to enable possible cpus == NR_CPUS >> >> Signed-off-by: Mike Travis > > i've bisected a boot failure down to this patch (sans the THREAD_ORDER > bits): it causes an instant reboot of the 64-bit kernel upon bootup. > Failing config attached. > > Ingo > Thanks Ingo! I've pulled the THREAD_ORDER change from my next version of the patch. Seems SMP_MAX is just not ready for prime time yet. One problem that I'm having appears to be that the !NUMA config of the current -mm version also doesn't boot so I haven't been able to verify that. (At least it doesn't seem to make it worse... ;-) Thanks, Mike -- 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