From d0ead157387f19801beb1b419568723b2e9b7c79 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 12 Jul 2011 09:44:22 +0200 Subject: x86, mm: s/PAGES_PER_ELEMENT/PAGES_PER_SECTION/ DISCONTIGMEM on x86-32 implements pfn -> nid mapping similarly to SPARSEMEM; however, it calls each mapping unit ELEMENT instead of SECTION. This patch renames it to SECTION so that PAGES_PER_SECTION is valid for both DISCONTIGMEM and SPARSEMEM. This will be used by the next patch to implement mapping granularity check. This patch is trivial constant rename. Signed-off-by: Tejun Heo Link: http://lkml.kernel.org/r/20110712074422.GA2872@htj.dyndns.org Cc: Hans Rosenfeld Signed-off-by: H. Peter Anvin --- arch/x86/include/asm/mmzone_32.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'arch/x86/include/asm/mmzone_32.h') diff --git a/arch/x86/include/asm/mmzone_32.h b/arch/x86/include/asm/mmzone_32.h index ffa037f28d39..55728e121473 100644 --- a/arch/x86/include/asm/mmzone_32.h +++ b/arch/x86/include/asm/mmzone_32.h @@ -34,15 +34,15 @@ static inline void resume_map_numa_kva(pgd_t *pgd) {} * 64Gb / 4096bytes/page = 16777216 pages */ #define MAX_NR_PAGES 16777216 -#define MAX_ELEMENTS 1024 -#define PAGES_PER_ELEMENT (MAX_NR_PAGES/MAX_ELEMENTS) +#define MAX_SECTIONS 1024 +#define PAGES_PER_SECTION (MAX_NR_PAGES/MAX_SECTIONS) extern s8 physnode_map[]; static inline int pfn_to_nid(unsigned long pfn) { #ifdef CONFIG_NUMA - return((int) physnode_map[(pfn) / PAGES_PER_ELEMENT]); + return((int) physnode_map[(pfn) / PAGES_PER_SECTION]); #else return 0; #endif -- cgit v1.2.2