From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Gleixner Subject: Re: [PATCH v2 2/3] x86: query dynamic DEBUG_PAGEALLOC setting Date: Wed, 27 Jan 2016 10:16:01 +0100 (CET) Message-ID: References: <1453884618-33852-1-git-send-email-borntraeger@de.ibm.com> <1453884618-33852-3-git-send-email-borntraeger@de.ibm.com> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Return-path: In-Reply-To: <1453884618-33852-3-git-send-email-borntraeger@de.ibm.com> Sender: owner-linux-mm@kvack.org To: Christian Borntraeger Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, x86@kernel.org, linuxppc-dev@lists.ozlabs.org, davem@davemloft.net, Joonsoo Kim , davej@codemonkey.org.uk List-Id: linux-arch.vger.kernel.org On Wed, 27 Jan 2016, Christian Borntraeger wrote: > We can use debug_pagealloc_enabled() to check if we can map > the identity mapping with 2MB pages. We can also add the state > into the dump_stack output. > > The patch does not touch the code for the 1GB pages, which ignored > CONFIG_DEBUG_PAGEALLOC. Do we need to fence this as well? > > Signed-off-by: Christian Borntraeger Reviewed-by: Thomas Gleixner -- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from www.linutronix.de ([62.245.132.108]:41580 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753893AbcA0JRG (ORCPT ); Wed, 27 Jan 2016 04:17:06 -0500 Date: Wed, 27 Jan 2016 10:16:01 +0100 (CET) From: Thomas Gleixner Subject: Re: [PATCH v2 2/3] x86: query dynamic DEBUG_PAGEALLOC setting In-Reply-To: <1453884618-33852-3-git-send-email-borntraeger@de.ibm.com> Message-ID: References: <1453884618-33852-1-git-send-email-borntraeger@de.ibm.com> <1453884618-33852-3-git-send-email-borntraeger@de.ibm.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-arch-owner@vger.kernel.org List-ID: To: Christian Borntraeger Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, x86@kernel.org, linuxppc-dev@lists.ozlabs.org, davem@davemloft.net, Joonsoo Kim , davej@codemonkey.org.uk Message-ID: <20160127091601.vOpRRvTx_nUpTgD68Dq5-ahybp9EuQmP9yBbzAlHT2Q@z> On Wed, 27 Jan 2016, Christian Borntraeger wrote: > We can use debug_pagealloc_enabled() to check if we can map > the identity mapping with 2MB pages. We can also add the state > into the dump_stack output. > > The patch does not touch the code for the 1GB pages, which ignored > CONFIG_DEBUG_PAGEALLOC. Do we need to fence this as well? > > Signed-off-by: Christian Borntraeger Reviewed-by: Thomas Gleixner