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powerpc/mm/numa: move numa topology discovery earlier

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Split sparsemem initialisation from basic numa topology discovery.
Move the parsing earlier in boot, before pacas are allocated.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Nicholas Piggin
2018-02-14 01:08:16 +10:00
committed by Michael Ellerman
parent b575454fa3
commit 9bd9be006c
4 changed files with 27 additions and 14 deletions
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5
arch/powerpc/mm/mem.c
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@@ -212,7 +212,7 @@ walk_system_ram_range(unsigned long start_pfn, unsigned long nr_pages,
EXPORT_SYMBOL_GPL(walk_system_ram_range);
#ifndef CONFIG_NEED_MULTIPLE_NODES
void __init initmem_init(void)
void __init mem_topology_setup(void)
{
max_low_pfn = max_pfn = memblock_end_of_DRAM() >> PAGE_SHIFT;
min_low_pfn = MEMORY_START >> PAGE_SHIFT;
@@ -224,7 +224,10 @@ void __init initmem_init(void)
* memblock_regions
*/
memblock_set_node(0, (phys_addr_t)ULLONG_MAX, &memblock.memory, 0);
}
void __init initmem_init(void)
{
/* XXX need to clip this if using highmem? */
sparse_memory_present_with_active_regions(0);
sparse_init();