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powerpc: Use HAVE_MEMBLOCK_NODE_MAP 

powerpc doesn't access early_node_map[] directly and enabling
HAVE_MEMBLOCK_NODE_MAP is trivial - replacing add_active_range() calls
with memblock_set_node() and selecting HAVE_MEMBLOCK_NODE_MAP is
enough.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Yinghai Lu <yinghai@kernel.org>
This commit is contained in:
Tejun Heo 2011-12-08 10:22:08 -08:00
parent 7fb0bc3f06
commit 1d7cfe18ec
3 changed files with 6 additions and 7 deletions
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1
arch/powerpc/Kconfig
View File

@ -117,6 +117,7 @@ config PPC
select HAVE_KRETPROBES
select HAVE_ARCH_TRACEHOOK
select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP
select HAVE_DMA_ATTRS
select HAVE_DMA_API_DEBUG
select USE_GENERIC_SMP_HELPERS if SMP

2
arch/powerpc/mm/mem.c
View File

@ -199,7 +199,7 @@ void __init do_init_bootmem(void)
unsigned long start_pfn, end_pfn;
start_pfn = memblock_region_memory_base_pfn(reg);
end_pfn = memblock_region_memory_end_pfn(reg);
add_active_range(0, start_pfn, end_pfn);
memblock_set_node(0, (phys_addr_t)ULLONG_MAX, 0);
}
/* Add all physical memory to the bootmem map, mark each area

10
arch/powerpc/mm/numa.c
View File

@ -690,9 +690,7 @@ static void __init parse_drconf_memory(struct device_node *memory)
node_set_online(nid);
sz = numa_enforce_memory_limit(base, size);
if (sz)
add_active_range(nid, base >> PAGE_SHIFT,
(base >> PAGE_SHIFT)
+ (sz >> PAGE_SHIFT));
memblock_set_node(base, sz, nid);
} while (--ranges);
}
}
@ -782,8 +780,7 @@ new_range:
continue;
}
add_active_range(nid, start >> PAGE_SHIFT,
(start >> PAGE_SHIFT) + (size >> PAGE_SHIFT));
memblock_set_node(start, size, nid);
if (--ranges)
goto new_range;
@ -819,7 +816,8 @@ static void __init setup_nonnuma(void)
end_pfn = memblock_region_memory_end_pfn(reg);
fake_numa_create_new_node(end_pfn, &nid);
add_active_range(nid, start_pfn, end_pfn);
memblock_set_node(PFN_PHYS(start_pfn),
PFN_PHYS(end_pfn - start_pfn), nid);
node_set_online(nid);
}
}