From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f47.google.com (mail-wm0-f47.google.com [74.125.82.47]) by kanga.kvack.org (Postfix) with ESMTP id 054A26B0255 for ; Wed, 27 Jan 2016 04:17:06 -0500 (EST) Received: by mail-wm0-f47.google.com with SMTP id n5so17917387wmn.1 for ; Wed, 27 Jan 2016 01:17:05 -0800 (PST) Received: from Galois.linutronix.de (linutronix.de. [2001:470:1f0b:db:abcd:42:0:1]) by mx.google.com with ESMTPS id hp6si3299118wjb.162.2016.01.27.01.17.04 for (version=TLS1_2 cipher=AES128-SHA bits=128/128); Wed, 27 Jan 2016 01:17:05 -0800 (PST) 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: owner-linux-mm@kvack.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 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