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-rw-r--r--arch/arm/mm/init.c8
-rw-r--r--arch/powerpc/mm/mem.c14
-rw-r--r--arch/powerpc/mm/numa.c4
-rw-r--r--arch/sh/mm/init.c4
-rw-r--r--arch/sparc/mm/init_64.c4
-rw-r--r--include/linux/memblock.h25
6 files changed, 29 insertions, 30 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index d6022d1f51d..63f441797c9 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -182,8 +182,8 @@ static void __init arm_bootmem_init(struct meminfo *mi,
* Reserve the memblock reserved regions in bootmem.
*/
for_each_memblock(reserved, reg) {
- phys_addr_t start = memblock_region_base_pfn(reg);
- phys_addr_t end = memblock_region_end_pfn(reg);
+ phys_addr_t start = memblock_region_reserved_base_pfn(reg);
+ phys_addr_t end = memblock_region_reserved_end_pfn(reg);
if (start >= start_pfn && end <= end_pfn)
reserve_bootmem_node(pgdat, __pfn_to_phys(start),
(end - start) << PAGE_SHIFT,
@@ -251,8 +251,8 @@ static void arm_memory_present(void)
struct memblock_region *reg;
for_each_memblock(memory, reg)
- memory_present(0, memblock_region_base_pfn(reg),
- memblock_region_end_pfn(reg));
+ memory_present(0, memblock_region_memory_base_pfn(reg),
+ memblock_region_memory_end_pfn(reg));
}
#endif
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index f661f6c527d..a6649965090 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -148,8 +148,8 @@ walk_system_ram_range(unsigned long start_pfn, unsigned long nr_pages,
int ret = -1;
for_each_memblock(memory, reg) {
- tstart = max(start_pfn, memblock_region_base_pfn(reg));
- tend = min(end_pfn, memblock_region_end_pfn(reg));
+ tstart = max(start_pfn, memblock_region_memory_base_pfn(reg));
+ tend = min(end_pfn, memblock_region_memory_end_pfn(reg));
if (tstart >= tend)
continue;
ret = (*func)(tstart, tend - tstart, arg);
@@ -195,8 +195,8 @@ void __init do_init_bootmem(void)
/* Add active regions with valid PFNs */
for_each_memblock(memory, reg) {
unsigned long start_pfn, end_pfn;
- start_pfn = memblock_region_base_pfn(reg);
- end_pfn = memblock_region_end_pfn(reg);
+ start_pfn = memblock_region_memory_base_pfn(reg);
+ end_pfn = memblock_region_memory_end_pfn(reg);
add_active_range(0, start_pfn, end_pfn);
}
@@ -236,9 +236,9 @@ static int __init mark_nonram_nosave(void)
for_each_memblock(memory, reg) {
if (prev &&
- memblock_region_end_pfn(prev) < memblock_region_base_pfn(reg))
- register_nosave_region(memblock_region_end_pfn(prev),
- memblock_region_base_pfn(reg));
+ memblock_region_memory_end_pfn(prev) < memblock_region_memory_base_pfn(reg))
+ register_nosave_region(memblock_region_memory_end_pfn(prev),
+ memblock_region_memory_base_pfn(reg));
prev = reg;
}
return 0;
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 066fb443ba5..74505b24537 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -811,8 +811,8 @@ static void __init setup_nonnuma(void)
(top_of_ram - total_ram) >> 20);
for_each_memblock(memory, reg) {
- start_pfn = memblock_region_base_pfn(reg);
- end_pfn = memblock_region_end_pfn(reg);
+ start_pfn = memblock_region_memory_base_pfn(reg);
+ end_pfn = memblock_region_memory_end_pfn(reg);
fake_numa_create_new_node(end_pfn, &nid);
add_active_range(nid, start_pfn, end_pfn);
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index b977475f744..552bea5113f 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -244,8 +244,8 @@ static void __init do_init_bootmem(void)
/* Add active regions with valid PFNs. */
for_each_memblock(memory, reg) {
unsigned long start_pfn, end_pfn;
- start_pfn = memblock_region_base_pfn(reg);
- end_pfn = memblock_region_end_pfn(reg);
+ start_pfn = memblock_region_memory_base_pfn(reg);
+ end_pfn = memblock_region_memory_end_pfn(reg);
__add_active_range(0, start_pfn, end_pfn);
}
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index dc584d26d59..4c2572773b5 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -1294,8 +1294,8 @@ static void __init bootmem_init_nonnuma(void)
if (!reg->size)
continue;
- start_pfn = memblock_region_base_pfn(reg);
- end_pfn = memblock_region_end_pfn(reg);
+ start_pfn = memblock_region_memory_base_pfn(reg);
+ end_pfn = memblock_region_memory_end_pfn(reg);
add_active_range(0, start_pfn, end_pfn);
}
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 5096458c753..62a10c2a11f 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);
*/
/**
- * memblock_region_base_pfn - Return the lowest pfn intersecting with the region
+ * memblock_region_memory_base_pfn - Return the lowest pfn intersecting with the memory region
* @reg: memblock_region structure
*/
-static inline unsigned long memblock_region_base_pfn(const struct memblock_region *reg)
+static inline unsigned long memblock_region_memory_base_pfn(const struct memblock_region *reg)
{
- return reg->base >> PAGE_SHIFT;
+ return PFN_UP(reg->base);
}
/**
- * memblock_region_last_pfn - Return the highest pfn intersecting with the region
+ * memblock_region_memory_end_pfn - Return the end_pfn this region
* @reg: memblock_region structure
*/
-static inline unsigned long memblock_region_last_pfn(const struct memblock_region *reg)
+static inline unsigned long memblock_region_memory_end_pfn(const struct memblock_region *reg)
{
- return (reg->base + reg->size - 1) >> PAGE_SHIFT;
+ return PFN_DOWN(reg->base + reg->size);
}
/**
- * memblock_region_end_pfn - Return the pfn of the first page following the region
- * but not intersecting it
+ * memblock_region_reserved_base_pfn - Return the lowest pfn intersecting with the reserved region
* @reg: memblock_region structure
*/
-static inline unsigned long memblock_region_end_pfn(const struct memblock_region *reg)
+static inline unsigned long memblock_region_reserved_base_pfn(const struct memblock_region *reg)
{
- return memblock_region_last_pfn(reg) + 1;
+ return PFN_DOWN(reg->base);
}
/**
- * memblock_region_pages - Return the number of pages covering a region
+ * memblock_region_reserved_end_pfn - Return the end_pfn this region
* @reg: memblock_region structure
*/
-static inline unsigned long memblock_region_pages(const struct memblock_region *reg)
+static inline unsigned long memblock_region_reserved_end_pfn(const struct memblock_region *reg)
{
- return memblock_region_end_pfn(reg) - memblock_region_end_pfn(reg);
+ return PFN_UP(reg->base + reg->size);
}
#define for_each_memblock(memblock_type, region) \