From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hidetoshi Seto Date: Wed, 06 Feb 2008 02:23:57 +0000 Subject: Re: [patch] Fix large MCA bootmem allocation Message-Id: <47A91A3D.3070708@jp.fujitsu.com> List-Id: References: <20080205193232.GA8834@sgi.com> In-Reply-To: <20080205193232.GA8834@sgi.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org Robin Holt wrote: > On Wed, Feb 06, 2008 at 09:30:17AM +0900, Hidetoshi Seto wrote: >> Russ Anderson wrote: >>> The MCA code allocates bootmem memory for NR_CPUS, regardless >>> of how many cpus the system actually has. >> So... how about using num_possible_cpus() instead? > > num_possible_cpus() is not initialized until after this code is run for > the first time. I grant you. Then, I suppose we need a CPU_UP_PREPARE callback to allocate memory before hot-added CPU enters cpu_init(). Thanks, H.Seto