From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: [PATCHSET] percpu: generalize first chunk allocators and improve lpage NUMA support Date: Thu, 25 Jun 2009 22:26:42 +0200 Message-ID: <20090625202642.GX6760@one.firstfloor.org> References: <1245850216-31653-1-git-send-email-tj@kernel.org> <20090624165508.30b88343.akpm@linux-foundation.org> <20090625000202.GR6760@one.firstfloor.org> <4A42C131.6040007@zytor.com> <20090625091939.GS6760@one.firstfloor.org> <4A43871F.9030507@zytor.com> <20090625195408.GW6760@one.firstfloor.org> <4A43DAFD.90409@zytor.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from one.firstfloor.org ([213.235.205.2]:34567 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751523AbZFYU0k (ORCPT ); Thu, 25 Jun 2009 16:26:40 -0400 Content-Disposition: inline In-Reply-To: <4A43DAFD.90409@zytor.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: "H. Peter Anvin" Cc: Andi Kleen , Andrew Morton , Tejun Heo , linux-kernel@vger.kernel.org, x86@kernel.org, linux-arch@vger.kernel.org, mingo@elte.hu, tglx@linutronix.de, cl@linux-foundation.org > I don't know why, but in the configuration I saw each percpu area was > something like 1.8 MB. That sounds like something that needs to be investigated and fixed then. In a sense per cpu space is precious like stack space and shouldn't be wasted. -Andi -- ak@linux.intel.com -- Speaking for myself only.