From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx178.postini.com [74.125.245.178]) by kanga.kvack.org (Postfix) with SMTP id ED6FE6B004A for ; Tue, 13 Mar 2012 17:36:55 -0400 (EDT) Date: Tue, 13 Mar 2012 14:36:54 -0700 From: Andrew Morton Subject: Re: [PATCH -V3 3/8] hugetlb: add charge/uncharge calls for HugeTLB alloc/free Message-Id: <20120313143654.5dd1243d.akpm@linux-foundation.org> In-Reply-To: <1331622432-24683-4-git-send-email-aneesh.kumar@linux.vnet.ibm.com> References: <1331622432-24683-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> <1331622432-24683-4-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: "Aneesh Kumar K.V" Cc: linux-mm@kvack.org, mgorman@suse.de, kamezawa.hiroyu@jp.fujitsu.com, dhillf@gmail.com, aarcange@redhat.com, mhocko@suse.cz, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org On Tue, 13 Mar 2012 12:37:07 +0530 "Aneesh Kumar K.V" wrote: > + return ERR_PTR(-VM_FAULT_SIGBUS); whee, so we have (ab)used the err.h infrastructure to carry VM_FAULT_foo codes, thus creating a secret requirement that the VM_FAULT_foo values not exceed MAX_ERRNO. What a hack, whodidthat? -- 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