From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1035146AbcIWPEq (ORCPT ); Fri, 23 Sep 2016 11:04:46 -0400 Received: from merlin.infradead.org ([205.233.59.134]:49798 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1034887AbcIWPEp (ORCPT ); Fri, 23 Sep 2016 11:04:45 -0400 Date: Fri, 23 Sep 2016 17:04:39 +0200 From: Peter Zijlstra To: Babu Moger Cc: mingo@redhat.com, akpm@linux-foundation.org, keescook@chromium.org, dan.j.williams@intel.com, aryabinin@virtuozzo.com, tj@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/2] Ajust lockdep static allocations Message-ID: <20160923150439.GD5012@twins.programming.kicks-ass.net> References: <1474569816-170269-1-git-send-email-babu.moger@oracle.com> <20160923071246.GJ2794@worktop> <20160923143413.GM5008@twins.programming.kicks-ass.net> <71daf047-059d-3478-9e08-989d44211a9c@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <71daf047-059d-3478-9e08-989d44211a9c@oracle.com> User-Agent: Mutt/1.5.23.1 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Sep 23, 2016 at 09:50:52AM -0500, Babu Moger wrote: > >Why can't you boot? You have that little memories? 4MB doesn't seem like > >a worthwhile amount of memory. > > > >Also, you didn't say. This seems a somewhat crucial point. > > Correct, We can't boot with lockdep. Sorry I did not make that clear. > We have a limit on static size of the kernel. This stuff should be in .bss not .data. It should not affect the static size at all. Or am I misunderstanding things?