From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sat, 1 Sep 2007 09:10:40 -0700 From: Andrew Morton Subject: Re: [PATCH 3/6] x86: Convert cpu_sibling_map to be a per cpu variable (v2) Message-Id: <20070901091040.a55afd28.akpm@linux-foundation.org> In-Reply-To: <46D94E2E.5030605@linux.vnet.ibm.com> References: <20070824222654.687510000@sgi.com> <20070824222948.851896000@sgi.com> <20070831194903.5d88a007.akpm@linux-foundation.org> <46D94E2E.5030605@linux.vnet.ibm.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: Kamalesh Babulal Cc: travis@sgi.com, ak@suse.de, linux-mm@kvack.org, linux-kernel@vger.kernel.org, clameter@sgi.com List-ID: > On Sat, 01 Sep 2007 17:04:06 +0530 Kamalesh Babulal wrote: > Andrew Morton wrote: > > On Fri, 24 Aug 2007 15:26:57 -0700 travis@sgi.com wrote: > > > > > >> Convert cpu_sibling_map from a static array sized by NR_CPUS to a > >> per_cpu variable. This saves sizeof(cpumask_t) * NR unused cpus. > >> Access is mostly from startup and CPU HOTPLUG functions. > >> > > > > ia64 allmodconfig: > > > > kernel/sched.c: In function `cpu_to_phys_group': kernel/sched.c:5937: error: `per_cpu__cpu_sibling_map' undeclared (first use in this function) kernel/sched.c:5937: error: (Each undeclared identifier is reported only once > > kernel/sched.c:5937: error: for each function it appears in.) kernel/sched.c:5937: warning: type defaults to `int' in declaration of `type name' > > kernel/sched.c:5937: error: invalid type argument of `unary *' kernel/sched.c: In function `build_sched_domains': kernel/sched.c:6172: error: `per_cpu__cpu_sibling_map' undeclared (first use in this function) kernel/sched.c:6172: warning: type defaults to `int' in declaration of `type name' kernel/sched.c:6172: error: invalid type argument of `unary *' kernel/sched.c:6183: warning: type defaults to `int' in declaration of `type name' kernel/sched.c:6183: error: invalid type argument of `unary *' > > - > > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > > the body of a message to majordomo@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > Please read the FAQ at http://www.tux.org/lkml/ > > > > > > > Hi Andrew, > > I get the exact build failure on ppc64 machine with 2.6.23-rc4-mm1. > The ia64 workaround was to disable SCHED_SMT. -- 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