diff options
Diffstat (limited to 'arch/loongarch/kernel/numa.c')
| -rw-r--r-- | arch/loongarch/kernel/numa.c | 49 |
1 files changed, 1 insertions, 48 deletions
diff --git a/arch/loongarch/kernel/numa.c b/arch/loongarch/kernel/numa.c index 6e65ff12d5c7..84fe7f854820 100644 --- a/arch/loongarch/kernel/numa.c +++ b/arch/loongarch/kernel/numa.c @@ -27,10 +27,7 @@ #include <asm/time.h> int numa_off; -struct pglist_data *node_data[MAX_NUMNODES]; unsigned char node_distances[MAX_NUMNODES][MAX_NUMNODES]; - -EXPORT_SYMBOL(node_data); EXPORT_SYMBOL(node_distances); static struct numa_meminfo numa_meminfo; @@ -190,24 +187,6 @@ int __init numa_add_memblk(int nid, u64 start, u64 end) return numa_add_memblk_to(nid, start, end, &numa_meminfo); } -static void __init alloc_node_data(int nid) -{ - void *nd; - unsigned long nd_pa; - size_t nd_sz = roundup(sizeof(pg_data_t), PAGE_SIZE); - - nd_pa = memblock_phys_alloc_try_nid(nd_sz, SMP_CACHE_BYTES, nid); - if (!nd_pa) { - pr_err("Cannot find %zu Byte for node_data (initial node: %d)\n", nd_sz, nid); - return; - } - - nd = __va(nd_pa); - - node_data[nid] = nd; - memset(nd, 0, sizeof(pg_data_t)); -} - static void __init node_mem_init(unsigned int node) { unsigned long start_pfn, end_pfn; @@ -226,32 +205,6 @@ static void __init node_mem_init(unsigned int node) #ifdef CONFIG_ACPI_NUMA -/* - * Sanity check to catch more bad NUMA configurations (they are amazingly - * common). Make sure the nodes cover all memory. - */ -static bool __init numa_meminfo_cover_memory(const struct numa_meminfo *mi) -{ - int i; - u64 numaram, biosram; - - numaram = 0; - for (i = 0; i < mi->nr_blks; i++) { - u64 s = mi->blk[i].start >> PAGE_SHIFT; - u64 e = mi->blk[i].end >> PAGE_SHIFT; - - numaram += e - s; - numaram -= __absent_pages_in_range(mi->blk[i].nid, s, e); - if ((s64)numaram < 0) - numaram = 0; - } - max_pfn = max_low_pfn; - biosram = max_pfn - absent_pages_in_range(0, max_pfn); - - BUG_ON((s64)(biosram - numaram) >= (1 << (20 - PAGE_SHIFT))); - return true; -} - static void __init add_node_intersection(u32 node, u64 start, u64 size, u32 type) { static unsigned long num_physpages; @@ -396,7 +349,7 @@ int __init init_numa_memory(void) return -EINVAL; init_node_memblock(); - if (numa_meminfo_cover_memory(&numa_meminfo) == false) + if (!memblock_validate_numa_coverage(SZ_1M)) return -EINVAL; for_each_node_mask(node, node_possible_map) { |