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-rw-r--r--include/linux/memblock.h25
1 files changed, 12 insertions, 13 deletions
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 5096458c7535..62a10c2a11f2 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -111,40 +111,39 @@ extern void memblock_set_current_limit(phys_addr_t limit);
111 */ 111 */
112 112
113/** 113/**
114 * memblock_region_base_pfn - Return the lowest pfn intersecting with the region 114 * memblock_region_memory_base_pfn - Return the lowest pfn intersecting with the memory region
115 * @reg: memblock_region structure 115 * @reg: memblock_region structure
116 */ 116 */
117static inline unsigned long memblock_region_base_pfn(const struct memblock_region *reg) 117static inline unsigned long memblock_region_memory_base_pfn(const struct memblock_region *reg)
118{ 118{
119 return reg->base >> PAGE_SHIFT; 119 return PFN_UP(reg->base);
120} 120}
121 121
122/** 122/**
123 * memblock_region_last_pfn - Return the highest pfn intersecting with the region 123 * memblock_region_memory_end_pfn - Return the end_pfn this region
124 * @reg: memblock_region structure 124 * @reg: memblock_region structure
125 */ 125 */
126static inline unsigned long memblock_region_last_pfn(const struct memblock_region *reg) 126static inline unsigned long memblock_region_memory_end_pfn(const struct memblock_region *reg)
127{ 127{
128 return (reg->base + reg->size - 1) >> PAGE_SHIFT; 128 return PFN_DOWN(reg->base + reg->size);
129} 129}
130 130
131/** 131/**
132 * memblock_region_end_pfn - Return the pfn of the first page following the region 132 * memblock_region_reserved_base_pfn - Return the lowest pfn intersecting with the reserved region
133 * but not intersecting it
134 * @reg: memblock_region structure 133 * @reg: memblock_region structure
135 */ 134 */
136static inline unsigned long memblock_region_end_pfn(const struct memblock_region *reg) 135static inline unsigned long memblock_region_reserved_base_pfn(const struct memblock_region *reg)
137{ 136{
138 return memblock_region_last_pfn(reg) + 1; 137 return PFN_DOWN(reg->base);
139} 138}
140 139
141/** 140/**
142 * memblock_region_pages - Return the number of pages covering a region 141 * memblock_region_reserved_end_pfn - Return the end_pfn this region
143 * @reg: memblock_region structure 142 * @reg: memblock_region structure
144 */ 143 */
145static inline unsigned long memblock_region_pages(const struct memblock_region *reg) 144static inline unsigned long memblock_region_reserved_end_pfn(const struct memblock_region *reg)
146{ 145{
147 return memblock_region_end_pfn(reg) - memblock_region_end_pfn(reg); 146 return PFN_UP(reg->base + reg->size);
148} 147}
149 148
150#define for_each_memblock(memblock_type, region) \ 149#define for_each_memblock(memblock_type, region) \