From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755253Ab3AQWyS (ORCPT ); Thu, 17 Jan 2013 17:54:18 -0500 Received: from e33.co.us.ibm.com ([32.97.110.151]:33601 "EHLO e33.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754976Ab3AQWyM (ORCPT ); Thu, 17 Jan 2013 17:54:12 -0500 From: Cody P Schafer To: Linux MM , David Hansen Cc: LKML , Andrew Morton , Catalin Marinas , Cody P Schafer Subject: [PATCH 1/9] mm: add SECTION_IN_PAGE_FLAGS Date: Thu, 17 Jan 2013 14:52:53 -0800 Message-Id: <1358463181-17956-2-git-send-email-cody@linux.vnet.ibm.com> X-Mailer: git-send-email 1.8.0.3 In-Reply-To: <1358463181-17956-1-git-send-email-cody@linux.vnet.ibm.com> References: <1358463181-17956-1-git-send-email-cody@linux.vnet.ibm.com> X-Content-Scanned: Fidelis XPS MAILER x-cbid: 13011722-2398-0000-0000-0000102DD8C9 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Instead of directly utilizing a combination of config options to determine this, add a macro to specifically address it. Signed-off-by: Cody P Schafer --- include/linux/mm.h | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 66e2f7c..ef69564 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -625,6 +625,10 @@ static inline pte_t maybe_mkwrite(pte_t pte, struct vm_area_struct *vma) #define NODE_NOT_IN_PAGE_FLAGS #endif +#if defined(CONFIG_SPARSEMEM) && !defined(CONFIG_SPARSEMEM_VMEMMAP) +#define SECTION_IN_PAGE_FLAGS +#endif + /* * Define the bit shifts to access each section. For non-existent * sections we define the shift as 0; that plus a 0 mask ensures @@ -727,7 +731,7 @@ static inline struct zone *page_zone(const struct page *page) return &NODE_DATA(page_to_nid(page))->node_zones[page_zonenum(page)]; } -#if defined(CONFIG_SPARSEMEM) && !defined(CONFIG_SPARSEMEM_VMEMMAP) +#ifdef SECTION_IN_PAGE_FLAGS static inline void set_page_section(struct page *page, unsigned long section) { page->flags &= ~(SECTIONS_MASK << SECTIONS_PGSHIFT); @@ -757,7 +761,7 @@ static inline void set_page_links(struct page *page, enum zone_type zone, { set_page_zone(page, zone); set_page_node(page, node); -#if defined(CONFIG_SPARSEMEM) && !defined(CONFIG_SPARSEMEM_VMEMMAP) +#ifdef SECTION_IN_PAGE_FLAGS set_page_section(page, pfn_to_section_nr(pfn)); #endif } -- 1.8.0.3