From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx105.postini.com [74.125.245.105]) by kanga.kvack.org (Postfix) with SMTP id 6A7DC6B004F for ; Tue, 6 Dec 2011 05:38:02 -0500 (EST) Date: Tue, 6 Dec 2011 11:36:18 +0100 From: Ingo Molnar Subject: Re: [PATCH] mm,x86: initialize high mem before free_all_bootmem() Message-ID: <20111206103618.GE15966@elte.hu> References: <1322582711-14571-1-git-send-email-sgruszka@redhat.com> <20111205110656.GA22259@elte.hu> <20111205150019.GA5434@redhat.com> <20111205155434.GD30287@elte.hu> <20111206075530.GA3105@redhat.com> <20111206080833.GB3105@redhat.com> <20111206082555.GA28314@elte.hu> <20111206102622.GC3105@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20111206102622.GC3105@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: Stanislaw Gruszka Cc: linux-mm@kvack.org, x86@kernel.org, linux-kernel@vger.kernel.org, Mel Gorman , Andrew Morton , Ingo Molnar , "H. Peter Anvin" , Thomas Gleixner * Stanislaw Gruszka wrote: > On Tue, Dec 06, 2011 at 09:25:55AM +0100, Ingo Molnar wrote: > > The thing is, the pagealloc bug you fixed basically kept > > pagealloc debugging essentially disabled for a really long time, > > correct? > Yes, it worked only in special cases. > > > So i'd expect there to be quite a few latent problems - > > i'll give it some more testing before pushing out the result. > > Ehh, I expect them too, but fortunately only with > CONFIG_DEBUG_PAGEALLOC, non-debug kernel are not affected. I test DEBUG_PAGEALLOC=y kernels all the time - i just booted a 32-bit and a 64-bit allyesconfig kernel an hour ago. Miraculously everything appears to be in working order so far. Thanks, 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org