From 6408068ee6ce9d80d66908a2c01a24ee88afd47d Mon Sep 17 00:00:00 2001 From: Xishi Qiu Date: Tue, 12 Nov 2013 15:07:17 -0800 Subject: [PATCH] mm: use pgdat_end_pfn() to simplify the code in arch Use "pgdat_end_pfn()" instead of "pgdat->node_start_pfn + pgdat->node_spanned_pages". Simplify the code, no functional change. Signed-off-by: Xishi Qiu Cc: James Hogan Cc: "Luck, Tony" Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Paul Mundt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/ia64/mm/init.c | 4 +--- arch/metag/mm/init.c | 2 +- arch/powerpc/mm/numa.c | 3 +-- arch/sh/mm/init.c | 2 +- 4 files changed, 4 insertions(+), 7 deletions(-) diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index b6f7f43..88504ab 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -357,9 +357,7 @@ int vmemmap_find_next_valid_pfn(int node, int i) end_address = (unsigned long) &vmem_map[pgdat->node_start_pfn + i]; end_address = PAGE_ALIGN(end_address); - - stop_address = (unsigned long) &vmem_map[ - pgdat->node_start_pfn + pgdat->node_spanned_pages]; + stop_address = (unsigned long) &vmem_map[pgdat_end_pfn(pgdat)]; do { pgd_t *pgd; diff --git a/arch/metag/mm/init.c b/arch/metag/mm/init.c index 249fff6..3cd6288f 100644 --- a/arch/metag/mm/init.c +++ b/arch/metag/mm/init.c @@ -148,7 +148,7 @@ static void __init bootmem_init_one_node(unsigned int nid) if (!p->node_spanned_pages) return; - end_pfn = p->node_start_pfn + p->node_spanned_pages; + end_pfn = pgdat_end_pfn(p); #ifdef CONFIG_HIGHMEM if (end_pfn > max_low_pfn) end_pfn = max_low_pfn; diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 33d6784..078d3e0 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -938,8 +938,7 @@ static void __init mark_reserved_regions_for_nid(int nid) unsigned long start_pfn = physbase >> PAGE_SHIFT; unsigned long end_pfn = PFN_UP(physbase + size); struct node_active_region node_ar; - unsigned long node_end_pfn = node->node_start_pfn + - node->node_spanned_pages; + unsigned long node_end_pfn = pgdat_end_pfn(node); /* * Check to make sure that this memblock.reserved area is diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c index 33890fd..2d089fe 100644 --- a/arch/sh/mm/init.c +++ b/arch/sh/mm/init.c @@ -231,7 +231,7 @@ static void __init bootmem_init_one_node(unsigned int nid) if (!p->node_spanned_pages) return; - end_pfn = p->node_start_pfn + p->node_spanned_pages; + end_pfn = pgdat_end_pfn(p); total_pages = bootmem_bootmap_pages(p->node_spanned_pages); -- 2.7.4