The only persistent change made by this loop is calling
memblock_set_node() once for each memblock, which is not useful (and has
no effect) as memblock_set_node() is not called with any
memblock-specific parameters.
Subsistute a single memblock_set_node().
---
arch/powerpc/mm/mem.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 0dba506..50370bb 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -195,13 +195,8 @@ void __init do_init_bootmem(void)
min_low_pfn = MEMORY_START >> PAGE_SHIFT;
boot_mapsize = init_bootmem_node(NODE_DATA(0), start >> PAGE_SHIFT,
min_low_pfn, max_low_pfn);
- /* Add active regions with valid PFNs */
- for_each_memblock(memory, reg) {
- unsigned long start_pfn, end_pfn;
- start_pfn = memblock_region_memory_base_pfn(reg);
- end_pfn = memblock_region_memory_end_pfn(reg);
- memblock_set_node(0, (phys_addr_t)ULLONG_MAX, 0);
- }
+ /* Place all memblock_regions in the same node and merge contiguous
memblock_regions */
+ memblock_set_node(0, (phys_addr_t)ULLONG_MAX, 0);
/* Add all physical memory to the bootmem map, mark each area
* present.
--
1.8.0.3
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