From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail203.messagelabs.com (mail203.messagelabs.com [216.82.254.243]) by kanga.kvack.org (Postfix) with ESMTP id C207E6B011A for ; Wed, 13 May 2009 12:54:49 -0400 (EDT) Message-ID: <4A0AFB7D.2080105@zytor.com> Date: Wed, 13 May 2009 09:55:25 -0700 From: "H. Peter Anvin" MIME-Version: 1.0 Subject: Re: [PATCH] x86: Extend test_and_set_bit() test_and_clean_bit() to 64 bits in X86_64 References: <1242202647-32446-1-git-send-email-sheng@linux.intel.com> <4A0AF2DA.2020404@zytor.com> In-Reply-To: <4A0AF2DA.2020404@zytor.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org To: Sheng Yang Cc: linux-kernel@vger.kernel.org, linux-mm , Ingo Molnar List-ID: H. Peter Anvin wrote: > Sheng Yang wrote: >> This fix 44/45 bit width memory can't boot up issue. The reason is >> free_bootmem_node()->mark_bootmem_node()->__free() use test_and_clean_bit() to >> clean node_bootmem_map, but for 44bits width address, the idx set bit 31 (43 - >> 12), which consider as a nagetive value for bts. >> >> This patch applied to tip/mm. > > Hi Sheng, > > Could you try the attached patch instead? > > -hpa > Sorry, wrong patch entirely... here is the right one. -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf. -- 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