diff options
Diffstat (limited to 'arch/loongarch/kernel/numa.c')
| -rw-r--r-- | arch/loongarch/kernel/numa.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/arch/loongarch/kernel/numa.c b/arch/loongarch/kernel/numa.c index a13f92593cfd..3019ca14c760 100644 --- a/arch/loongarch/kernel/numa.c +++ b/arch/loongarch/kernel/numa.c @@ -388,6 +388,21 @@ static void __init numa_default_distance(void) } } +/* + * fake_numa_init() - For Non-ACPI systems + * Return: 0 on success, -errno on failure. + */ +static int __init fake_numa_init(void) +{ + phys_addr_t start = memblock_start_of_DRAM(); + phys_addr_t end = memblock_end_of_DRAM() - 1; + + node_set(0, numa_nodes_parsed); + pr_info("Faking a node at [mem %pap-%pap]\n", &start, &end); + + return numa_add_memblk(0, start, end + 1); +} + int __init init_numa_memory(void) { int i; @@ -404,7 +419,7 @@ int __init init_numa_memory(void) memset(&numa_meminfo, 0, sizeof(numa_meminfo)); /* Parse SRAT and SLIT if provided by firmware. */ - ret = acpi_numa_init(); + ret = acpi_disabled ? fake_numa_init() : acpi_numa_init(); if (ret < 0) return ret; |