diff options
Diffstat (limited to 'arch/powerpc/mm/numa.c')
| -rw-r--r-- | arch/powerpc/mm/numa.c | 40 |
1 files changed, 6 insertions, 34 deletions
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index 7393bd7..0507faa 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -19,6 +19,7 @@ #include <linux/notifier.h> #include <linux/lmb.h> #include <linux/of.h> +#include <linux/pfn.h> #include <asm/sparsemem.h> #include <asm/prom.h> #include <asm/system.h> @@ -157,35 +158,6 @@ static void unmap_cpu_from_node(unsigned long cpu) } #endif /* CONFIG_HOTPLUG_CPU */ -static struct device_node * __cpuinit find_cpu_node(unsigned int cpu) -{ - unsigned int hw_cpuid = get_hard_smp_processor_id(cpu); - struct device_node *cpu_node = NULL; - const unsigned int *interrupt_server, *reg; - int len; - - while ((cpu_node = of_find_node_by_type(cpu_node, "cpu")) != NULL) { - /* Try interrupt server first */ - interrupt_server = of_get_property(cpu_node, - "ibm,ppc-interrupt-server#s", &len); - - len = len / sizeof(u32); - - if (interrupt_server && (len > 0)) { - while (len--) { - if (interrupt_server[len] == hw_cpuid) - return cpu_node; - } - } else { - reg = of_get_property(cpu_node, "reg", &len); - if (reg && (len > 0) && (reg[0] == hw_cpuid)) - return cpu_node; - } - } - - return NULL; -} - /* must hold reference to node during call */ static const int *of_get_associativity(struct device_node *dev) { @@ -289,7 +261,7 @@ static int __init find_min_common_depth(void) ref_points = of_get_property(rtas_root, "ibm,associativity-reference-points", &len); - if ((len >= 1) && ref_points) { + if ((len >= 2 * sizeof(unsigned int)) && ref_points) { depth = ref_points[1]; } else { dbg("NUMA: ibm,associativity-reference-points not found.\n"); @@ -469,7 +441,7 @@ static int of_drconf_to_nid_single(struct of_drconf_cell *drmem, static int __cpuinit numa_setup_cpu(unsigned long lcpu) { int nid = 0; - struct device_node *cpu = find_cpu_node(lcpu); + struct device_node *cpu = of_get_cpu_node(lcpu, NULL); if (!cpu) { WARN_ON(1); @@ -651,7 +623,7 @@ static int __init parse_numa_properties(void) for_each_present_cpu(i) { int nid; - cpu = find_cpu_node(i); + cpu = of_get_cpu_node(i, NULL); BUG_ON(!cpu); nid = of_node_to_nid_single(cpu); of_node_put(cpu); @@ -882,7 +854,7 @@ static void mark_reserved_regions_for_nid(int nid) unsigned long physbase = lmb.reserved.region[i].base; unsigned long size = lmb.reserved.region[i].size; unsigned long start_pfn = physbase >> PAGE_SHIFT; - unsigned long end_pfn = ((physbase + size) >> PAGE_SHIFT); + unsigned long end_pfn = PFN_UP(physbase + size); struct node_active_region node_ar; unsigned long node_end_pfn = node->node_start_pfn + node->node_spanned_pages; @@ -908,7 +880,7 @@ static void mark_reserved_regions_for_nid(int nid) */ if (end_pfn > node_ar.end_pfn) reserve_size = (node_ar.end_pfn << PAGE_SHIFT) - - (start_pfn << PAGE_SHIFT); + - physbase; /* * Only worry about *this* node, others may not * yet have valid NODE_DATA(). |