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/mm/numa_32.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'arch/x86/mm/numa_32.c') diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c index 849a975d3fa0..3adebe7e536a 100644 --- a/arch/x86/mm/numa_32.c +++ b/arch/x86/mm/numa_32.c @@ -41,7 +41,7 @@ * physnode_map[16-31] = 1; * physnode_map[32- ] = -1; */ -s8 physnode_map[MAX_ELEMENTS] __read_mostly = { [0 ... (MAX_ELEMENTS - 1)] = -1}; +s8 physnode_map[MAX_SECTIONS] __read_mostly = { [0 ... (MAX_SECTIONS - 1)] = -1}; EXPORT_SYMBOL(physnode_map); void memory_present(int nid, unsigned long start, unsigned long end) @@ -52,8 +52,8 @@ void memory_present(int nid, unsigned long start, unsigned long end) nid, start, end); printk(KERN_DEBUG " Setting physnode_map array to node %d for pfns:\n", nid); printk(KERN_DEBUG " "); - for (pfn = start; pfn < end; pfn += PAGES_PER_ELEMENT) { - physnode_map[pfn / PAGES_PER_ELEMENT] = nid; + for (pfn = start; pfn < end; pfn += PAGES_PER_SECTION) { + physnode_map[pfn / PAGES_PER_SECTION] = nid; printk(KERN_CONT "%lx ", pfn); } printk(KERN_CONT "\n"); -- cgit v1.2.3