diff options
Diffstat (limited to 'drivers/acpi/numa.c')
| -rw-r--r-- | drivers/acpi/numa.c | 44 |
1 files changed, 20 insertions, 24 deletions
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index 59844ee149b..24b5476449a 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -29,7 +29,6 @@ #include <linux/errno.h> #include <linux/acpi.h> #include <linux/numa.h> -#include <acpi/acpi_bus.h> #define PREFIX "ACPI: " @@ -61,7 +60,7 @@ int node_to_pxm(int node) return node_to_pxm_map[node]; } -void __acpi_map_pxm_to_node(int pxm, int node) +static void __acpi_map_pxm_to_node(int pxm, int node) { if (pxm_to_node_map[pxm] == NUMA_NO_NODE || node < pxm_to_node_map[pxm]) pxm_to_node_map[pxm] = node; @@ -73,7 +72,7 @@ int acpi_map_pxm_to_node(int pxm) { int node = pxm_to_node_map[pxm]; - if (node < 0) { + if (node == NUMA_NO_NODE) { if (nodes_weight(nodes_found_map) >= MAX_NUMNODES) return NUMA_NO_NODE; node = first_unset_node(nodes_found_map); @@ -159,7 +158,7 @@ acpi_table_print_srat_entry(struct acpi_subtable_header *header) * distance than the others. * Do some quick checks here and only use the SLIT if it passes. */ -static __init int slit_valid(struct acpi_table_slit *slit) +static int __init slit_valid(struct acpi_table_slit *slit) { int i, j; int d = slit->locality_count; @@ -194,7 +193,7 @@ static int __init acpi_parse_slit(struct acpi_table_header *table) return 0; } -void __init __attribute__ ((weak)) +void __init __weak acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa) { printk(KERN_WARNING PREFIX @@ -282,10 +281,10 @@ acpi_table_parse_srat(enum acpi_srat_type id, handler, max_entries); } -static int srat_mem_cnt; - -void __init early_parse_srat(void) +int __init acpi_numa_init(void) { + int cnt = 0; + /* * Should not limit number with cpu num that is from NR_CPUS or nr_cpus= * SRAT cpu entries could have different order with that in MADT. @@ -295,30 +294,27 @@ void __init early_parse_srat(void) /* SRAT: Static Resource Affinity Table */ if (!acpi_table_parse(ACPI_SIG_SRAT, acpi_parse_srat)) { acpi_table_parse_srat(ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY, - acpi_parse_x2apic_affinity, 0); + acpi_parse_x2apic_affinity, 0); acpi_table_parse_srat(ACPI_SRAT_TYPE_CPU_AFFINITY, - acpi_parse_processor_affinity, 0); - srat_mem_cnt = acpi_table_parse_srat(ACPI_SRAT_TYPE_MEMORY_AFFINITY, - acpi_parse_memory_affinity, - NR_NODE_MEMBLKS); + acpi_parse_processor_affinity, 0); + cnt = acpi_table_parse_srat(ACPI_SRAT_TYPE_MEMORY_AFFINITY, + acpi_parse_memory_affinity, + NR_NODE_MEMBLKS); } -} -int __init acpi_numa_init(void) -{ /* SLIT: System Locality Information Table */ acpi_table_parse(ACPI_SIG_SLIT, acpi_parse_slit); acpi_numa_arch_fixup(); - if (srat_mem_cnt < 0) - return srat_mem_cnt; + if (cnt < 0) + return cnt; else if (!parsed_numa_memblks) return -ENOENT; return 0; } -int acpi_get_pxm(acpi_handle h) +static int acpi_get_pxm(acpi_handle h) { unsigned long long pxm; acpi_status status; @@ -335,14 +331,14 @@ int acpi_get_pxm(acpi_handle h) return -1; } -int acpi_get_node(acpi_handle *handle) +int acpi_get_node(acpi_handle handle) { - int pxm, node = -1; + int pxm; pxm = acpi_get_pxm(handle); - if (pxm >= 0 && pxm < MAX_PXM_DOMAINS) - node = acpi_map_pxm_to_node(pxm); + if (pxm < 0 || pxm >= MAX_PXM_DOMAINS) + return NUMA_NO_NODE; - return node; + return acpi_map_pxm_to_node(pxm); } EXPORT_SYMBOL(acpi_get_node); |