From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail143.messagelabs.com (mail143.messagelabs.com [216.82.254.35]) by kanga.kvack.org (Postfix) with ESMTP id 0376A8D0040 for ; Mon, 28 Mar 2011 18:46:35 -0400 (EDT) Received: from hpaq13.eem.corp.google.com (hpaq13.eem.corp.google.com [172.25.149.13]) by smtp-out.google.com with ESMTP id p2SMkWDG002311 for ; Mon, 28 Mar 2011 15:46:32 -0700 Received: from pwi5 (pwi5.prod.google.com [10.241.219.5]) by hpaq13.eem.corp.google.com with ESMTP id p2SMkUOr017420 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=NOT) for ; Mon, 28 Mar 2011 15:46:31 -0700 Received: by pwi5 with SMTP id 5so914656pwi.17 for ; Mon, 28 Mar 2011 15:46:29 -0700 (PDT) Date: Mon, 28 Mar 2011 15:46:27 -0700 (PDT) From: David Rientjes Subject: Re: [PATCH 2/3] mm: Add SECTION_ALIGN_UP() and SECTION_ALIGN_DOWN() macro In-Reply-To: <20110328092412.GC13826@router-fw-old.local.net-space.pl> Message-ID: References: <20110328092412.GC13826@router-fw-old.local.net-space.pl> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Daniel Kiper Cc: ian.campbell@citrix.com, akpm@linux-foundation.org, andi.kleen@intel.com, haicheng.li@linux.intel.com, fengguang.wu@intel.com, jeremy@goop.org, konrad.wilk@oracle.com, dan.magenheimer@oracle.com, v.tolstov@selfip.ru, pasik@iki.fi, dave@linux.vnet.ibm.com, wdauchy@gmail.com, xen-devel@lists.xensource.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org On Mon, 28 Mar 2011, Daniel Kiper wrote: > diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h > index 02ecb01..d342820 100644 > --- a/include/linux/mmzone.h > +++ b/include/linux/mmzone.h > @@ -931,6 +931,9 @@ static inline unsigned long early_pfn_to_nid(unsigned long pfn) > #define pfn_to_section_nr(pfn) ((pfn) >> PFN_SECTION_SHIFT) > #define section_nr_to_pfn(sec) ((sec) << PFN_SECTION_SHIFT) > > +#define SECTION_ALIGN_UP(pfn) (((pfn) + PAGES_PER_SECTION - 1) & PAGE_SECTION_MASK) > +#define SECTION_ALIGN_DOWN(pfn) ((pfn) & PAGE_SECTION_MASK) > + > #ifdef CONFIG_SPARSEMEM > > /* These are only valid for CONFIG_SPARSEMEM, so they need to be defined conditionally. -- 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