diff options
Diffstat (limited to 'arch/x86/mm/numa_64.c')
| -rw-r--r-- | arch/x86/mm/numa_64.c | 33 |
1 files changed, 10 insertions, 23 deletions
diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c index 2d05a12029dc..459913beac71 100644 --- a/arch/x86/mm/numa_64.c +++ b/arch/x86/mm/numa_64.c @@ -179,18 +179,25 @@ static void * __init early_node_mem(int nodeid, unsigned long start, } /* Initialize bootmem allocator for a node */ -void __init setup_node_bootmem(int nodeid, unsigned long start, - unsigned long end) +void __init +setup_node_bootmem(int nodeid, unsigned long start, unsigned long end) { unsigned long start_pfn, last_pfn, bootmap_pages, bootmap_size; + const int pgdat_size = roundup(sizeof(pg_data_t), PAGE_SIZE); unsigned long bootmap_start, nodedata_phys; void *bootmap; - const int pgdat_size = roundup(sizeof(pg_data_t), PAGE_SIZE); int nid; if (!end) return; + /* + * Don't confuse VM with a node that doesn't have the + * minimum amount of memory: + */ + if (end && (end - start) < NODE_MIN_SIZE) + return; + start = roundup(start, ZONE_ALIGN); printk(KERN_INFO "Bootmem setup node %d %016lx-%016lx\n", nodeid, @@ -272,9 +279,6 @@ void __init setup_node_bootmem(int nodeid, unsigned long start, reserve_bootmem_node(NODE_DATA(nodeid), bootmap_start, bootmap_pages<<PAGE_SHIFT, BOOTMEM_DEFAULT); -#ifdef CONFIG_ACPI_NUMA - srat_reserve_add_area(nodeid); -#endif node_set_online(nodeid); } @@ -578,21 +582,6 @@ unsigned long __init numa_free_all_bootmem(void) return pages; } -void __init paging_init(void) -{ - unsigned long max_zone_pfns[MAX_NR_ZONES]; - - memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); - max_zone_pfns[ZONE_DMA] = MAX_DMA_PFN; - max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN; - max_zone_pfns[ZONE_NORMAL] = max_pfn; - - sparse_memory_present_with_active_regions(MAX_NUMNODES); - sparse_init(); - - free_area_init_nodes(max_zone_pfns); -} - static __init int numa_setup(char *opt) { if (!opt) @@ -606,8 +595,6 @@ static __init int numa_setup(char *opt) #ifdef CONFIG_ACPI_NUMA if (!strncmp(opt, "noacpi", 6)) acpi_numa = -1; - if (!strncmp(opt, "hotadd=", 7)) - hotadd_percent = simple_strtoul(opt+7, NULL, 10); #endif return 0; } |