diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2018-02-14 01:08:16 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-03-30 23:34:26 +1100 |
| commit | 9bd9be006c8ec0ccf7cb0422d35033af39d3f969 (patch) | |
| tree | eb1c4052ff952eef7e9339d8bf1d8af3a2878db7 /arch/powerpc/mm | |
| parent | b575454fa330aab2d65cf17812ca8e1f405ae80d (diff) | |
powerpc/mm/numa: move numa topology discovery earlier
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>
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/mem.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/mm/numa.c | 32 |
2 files changed, 23 insertions, 14 deletions
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index fe8c61149fb8..4eee46ea4d96 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -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(); diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index e9ec465068f1..1eec1bcc03a6 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -836,18 +836,13 @@ out: of_node_put(rtas); } -void __init initmem_init(void) +void __init mem_topology_setup(void) { - int nid, cpu; - - max_low_pfn = memblock_end_of_DRAM() >> PAGE_SHIFT; - max_pfn = max_low_pfn; + int cpu; if (parse_numa_properties()) setup_nonnuma(); - memblock_dump_all(); - /* * Modify the set of possible NUMA nodes to reflect information * available about the set of online nodes, and the set of nodes @@ -858,6 +853,23 @@ void __init initmem_init(void) find_possible_nodes(); + setup_node_to_cpumask_map(); + + reset_numa_cpu_lookup_table(); + + for_each_present_cpu(cpu) + numa_setup_cpu(cpu); +} + +void __init initmem_init(void) +{ + int nid; + + max_low_pfn = memblock_end_of_DRAM() >> PAGE_SHIFT; + max_pfn = max_low_pfn; + + memblock_dump_all(); + for_each_online_node(nid) { unsigned long start_pfn, end_pfn; @@ -868,10 +880,6 @@ void __init initmem_init(void) sparse_init(); - setup_node_to_cpumask_map(); - - reset_numa_cpu_lookup_table(); - /* * We need the numa_cpu_lookup_table to be accurate for all CPUs, * even before we online them, so that we can use cpu_to_{node,mem} @@ -881,8 +889,6 @@ void __init initmem_init(void) */ cpuhp_setup_state_nocalls(CPUHP_POWER_NUMA_PREPARE, "powerpc/numa:prepare", ppc_numa_cpu_prepare, ppc_numa_cpu_dead); - for_each_present_cpu(cpu) - numa_setup_cpu(cpu); } static int __init early_numa(char *p) |