Prev: [PATCH 31/43] memblock: Add arch function to control coalescing of memblock memory regions
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From: Benjamin Herrenschmidt on 6 Aug 2010 01:30
CC: David S. Miller <davem(a)davemloft.net>
Signed-off-by: Benjamin Herrenschmidt <benh(a)kernel.crashing.org>
---
arch/sparc/mm/init_64.c | 30 ++++++++++++------------------
1 files changed, 12 insertions(+), 18 deletions(-)

diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 16d8bee..dd68025 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -972,13 +972,13 @@ int of_node_to_nid(struct device_node *dp)

static void __init add_node_ranges(void)
{
- int i;
+ struct memblock_region *reg;

- for (i = 0; i < memblock.memory.cnt; i++) {
- unsigned long size = memblock_size_bytes(&memblock.memory, i);
+ for_each_memblock(memory, reg) {
+ unsigned long size = reg->size;
unsigned long start, end;

- start = memblock.memory.regions[i].base;
+ start = reg->base;
end = start + size;
while (start < end) {
unsigned long this_end;
@@ -1281,7 +1281,7 @@ static void __init bootmem_init_nonnuma(void)
{
unsigned long top_of_ram = memblock_end_of_DRAM();
unsigned long total_ram = memblock_phys_mem_size();
- unsigned int i;
+ struct memblock_region *reg;

numadbg("bootmem_init_nonnuma()\n");

@@ -1292,15 +1292,14 @@ static void __init bootmem_init_nonnuma(void)

init_node_masks_nonnuma();

- for (i = 0; i < memblock.memory.cnt; i++) {
- unsigned long size = memblock_size_bytes(&memblock.memory, i);
+ for_each_memblock(memory, reg) {
unsigned long start_pfn, end_pfn;

- if (!size)
+ if (!reg->size)
continue;

- start_pfn = memblock.memory.regions[i].base >> PAGE_SHIFT;
- end_pfn = start_pfn + memblock_size_pages(&memblock.memory, i);
+ start_pfn = memblock_region_base_pfn(reg);
+ end_pfn = memblock_region_end_pfn(reg);
add_active_range(0, start_pfn, end_pfn);
}

@@ -1334,17 +1333,12 @@ static void __init reserve_range_in_node(int nid, unsigned long start,

static void __init trim_reserved_in_node(int nid)
{
- int i;
+ struct memblock_region *reg;

numadbg(" trim_reserved_in_node(%d)\n", nid);

- for (i = 0; i < memblock.reserved.cnt; i++) {
- unsigned long start = memblock.reserved.regions[i].base;
- unsigned long size = memblock_size_bytes(&memblock.reserved, i);
- unsigned long end = start + size;
-
- reserve_range_in_node(nid, start, end);
- }
+ for_each_memblock(reserved, reg)
+ reserve_range_in_node(nid, reg->base, reg->base + reg->size);
}

static void __init bootmem_init_one_node(int nid)
--
1.7.0.4

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Prev: [PATCH 31/43] memblock: Add arch function to control coalescing of memblock memory regions
Next: memblock updates