From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 18 Jan 2008 21:46:05 +0100 From: Ingo Molnar Subject: Re: [PATCH 4/5] x86: Add config variables for SMP_MAX Message-ID: <20080118204605.GC3079@elte.hu> References: <20080118183011.354965000@sgi.com> <20080118183011.917801000@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080118183011.917801000@sgi.com> Sender: owner-linux-mm@kvack.org Return-Path: To: travis@sgi.com Cc: Andrew Morton , Andi Kleen , Christoph Lameter , linux-mm@kvack.org, linux-kernel@vger.kernel.org, "H. Peter Anvin" , Thomas Gleixner , Arjan van de Ven List-ID: * travis@sgi.com wrote: > +config THREAD_ORDER > + int "Kernel stack size (in page order)" > + range 1 3 > + depends on X86_64_SMP > + default "3" if X86_SMP_MAX > + default "1" > + help > + Increases kernel stack size. nack on kernel stack bloat. We worked hard to get the kernel stack footprint down to 4K on x86. (and it is 4K on most distros, despite there still being a legacy 8K stack size) No way are we going to throw away all that now ... Ingo -- 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