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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-03-09 10:55:17 -0800 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-03-09 10:55:17 -0800 |
commit | b675b3667f6729dcd1036a2a129b35445947f905 (patch) | |
tree | 0d58791e9063d3ca2c352da6f3e7df2bdb876f9d /arch/powerpc/mm/numa.c | |
parent | 104a5f3cad8f2f27cadbdf0029400ecd9e17ccc0 (diff) | |
parent | 192cfd58774b4d17b2fe8bdc77d89c2ef4e0591d (diff) | |
download | linux-b675b3667f6729dcd1036a2a129b35445947f905.tar.gz linux-b675b3667f6729dcd1036a2a129b35445947f905.tar.bz2 linux-b675b3667f6729dcd1036a2a129b35445947f905.zip |
Merge commit 'v3.3-rc6' into next
Diffstat (limited to 'arch/powerpc/mm/numa.c')
-rw-r--r-- | arch/powerpc/mm/numa.c | 76 |
1 files changed, 27 insertions, 49 deletions
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index b22a83a91cb8..3feefc3842a8 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -58,7 +58,7 @@ static int distance_lookup_table[MAX_NUMNODES][MAX_DISTANCE_REF_POINTS]; * Allocate node_to_cpumask_map based on number of available nodes * Requires node_possible_map to be valid. * - * Note: node_to_cpumask() is not valid until after this is done. + * Note: cpumask_of_node() is not valid until after this is done. */ static void __init setup_node_to_cpumask_map(void) { @@ -127,45 +127,25 @@ static int __cpuinit fake_numa_create_new_node(unsigned long end_pfn, } /* - * get_active_region_work_fn - A helper function for get_node_active_region - * Returns datax set to the start_pfn and end_pfn if they contain - * the initial value of datax->start_pfn between them - * @start_pfn: start page(inclusive) of region to check - * @end_pfn: end page(exclusive) of region to check - * @datax: comes in with ->start_pfn set to value to search for and - * goes out with active range if it contains it - * Returns 1 if search value is in range else 0 - */ -static int __init get_active_region_work_fn(unsigned long start_pfn, - unsigned long end_pfn, void *datax) -{ - struct node_active_region *data; - data = (struct node_active_region *)datax; - - if (start_pfn <= data->start_pfn && end_pfn > data->start_pfn) { - data->start_pfn = start_pfn; - data->end_pfn = end_pfn; - return 1; - } - return 0; - -} - -/* - * get_node_active_region - Return active region containing start_pfn + * get_node_active_region - Return active region containing pfn * Active range returned is empty if none found. - * @start_pfn: The page to return the region for. - * @node_ar: Returned set to the active region containing start_pfn + * @pfn: The page to return the region for + * @node_ar: Returned set to the active region containing @pfn */ -static void __init get_node_active_region(unsigned long start_pfn, - struct node_active_region *node_ar) +static void __init get_node_active_region(unsigned long pfn, + struct node_active_region *node_ar) { - int nid = early_pfn_to_nid(start_pfn); + unsigned long start_pfn, end_pfn; + int i, nid; - node_ar->nid = nid; - node_ar->start_pfn = start_pfn; - node_ar->end_pfn = start_pfn; - work_with_active_regions(nid, get_active_region_work_fn, node_ar); + for_each_mem_pfn_range(i, MAX_NUMNODES, &start_pfn, &end_pfn, &nid) { + if (pfn >= start_pfn && pfn < end_pfn) { + node_ar->nid = nid; + node_ar->start_pfn = start_pfn; + node_ar->end_pfn = end_pfn; + break; + } + } } static void map_cpu_to_node(int cpu, int node) @@ -406,7 +386,7 @@ static void __init get_n_mem_cells(int *n_addr_cells, int *n_size_cells) of_node_put(memory); } -static unsigned long __devinit read_n_cells(int n, const unsigned int **buf) +static unsigned long read_n_cells(int n, const unsigned int **buf) { unsigned long result = 0; @@ -521,7 +501,7 @@ static int of_get_assoc_arrays(struct device_node *memory, aa->n_arrays = *prop++; aa->array_sz = *prop++; - /* Now that we know the number of arrrays and size of each array, + /* Now that we know the number of arrays and size of each array, * revalidate the size of the property read in. */ if (len < (aa->n_arrays * aa->array_sz + 2) * sizeof(unsigned int)) @@ -710,9 +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); } } @@ -802,8 +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; @@ -839,7 +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); } } @@ -969,7 +947,7 @@ static struct notifier_block __cpuinitdata ppc64_numa_nb = { .priority = 1 /* Must run before sched domains notifier. */ }; -static void mark_reserved_regions_for_nid(int nid) +static void __init mark_reserved_regions_for_nid(int nid) { struct pglist_data *node = NODE_DATA(nid); struct memblock_region *reg; @@ -1462,7 +1440,7 @@ int arch_update_cpu_topology(void) { int cpu, nid, old_nid; unsigned int associativity[VPHN_ASSOC_BUFSIZE] = {0}; - struct sys_device *sysdev; + struct device *dev; for_each_cpu(cpu,&cpu_associativity_changes_mask) { vphn_get_associativity(cpu, associativity); @@ -1483,9 +1461,9 @@ int arch_update_cpu_topology(void) register_cpu_under_node(cpu, nid); put_online_cpus(); - sysdev = get_cpu_sysdev(cpu); - if (sysdev) - kobject_uevent(&sysdev->kobj, KOBJ_CHANGE); + dev = get_cpu_device(cpu); + if (dev) + kobject_uevent(&dev->kobj, KOBJ_CHANGE); } return 1; |