/* Callback for parsing of the Proximity Domain <-> Memory Area mappings */ void __init acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma) { u64 start, end; int node, pxm; if (srat_disabled()) return; if (ma->header.length != sizeof(struct acpi_srat_mem_affinity)) { bad_srat(); return; } if ((ma->flags & ACPI_SRAT_MEM_ENABLED) == 0) return; if ((ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) && !save_add_info()) return; start = ma->base_address; end = start + ma->length; pxm = ma->proximity_domain; node = setup_node(pxm); if (node < 0) { printk(KERN_ERR "SRAT: Too many proximity domains.\n"); bad_srat(); return; } if (numa_add_memblk(node, start, end) < 0) { bad_srat(); return; } printk(KERN_INFO "SRAT: Node %u PXM %u %Lx-%Lx\n", node, pxm, start, end); }
/* Callback for parsing of the Proximity Domain <-> Memory Area mappings */ int __init acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma) { u64 start, end; u32 hotpluggable; int node, pxm; if (srat_disabled()) goto out_err; if (ma->header.length != sizeof(struct acpi_srat_mem_affinity)) goto out_err_bad_srat; if ((ma->flags & ACPI_SRAT_MEM_ENABLED) == 0) goto out_err; hotpluggable = ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE; if (hotpluggable && !save_add_info()) goto out_err; start = ma->base_address; end = start + ma->length; pxm = ma->proximity_domain; if (acpi_srat_revision <= 1) pxm &= 0xff; node = setup_node(pxm); if (node < 0) { printk(KERN_ERR "SRAT: Too many proximity domains.\n"); goto out_err_bad_srat; } if (numa_add_memblk(node, start, end) < 0) goto out_err_bad_srat; node_set(node, numa_nodes_parsed); pr_info("SRAT: Node %u PXM %u [mem %#010Lx-%#010Lx]%s%s\n", node, pxm, (unsigned long long) start, (unsigned long long) end - 1, hotpluggable ? " hotplug" : "", ma->flags & ACPI_SRAT_MEM_NON_VOLATILE ? " non-volatile" : ""); /* Mark hotplug range in memblock. */ if (hotpluggable && memblock_mark_hotplug(start, ma->length)) pr_warn("SRAT: Failed to mark hotplug range [mem %#010Lx-%#010Lx] in memblock\n", (unsigned long long)start, (unsigned long long)end - 1); max_possible_pfn = max(max_possible_pfn, PFN_UP(end - 1)); return 0; out_err_bad_srat: bad_srat(); out_err: return -1; }
/* Callback for parsing of the Proximity Domain <-> Memory Area mappings */ int __init acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma) { u64 start, end; int node, pxm; if (srat_disabled()) return -1; if (ma->header.length != sizeof(struct acpi_srat_mem_affinity)) { bad_srat(); return -1; } /* Memory Affinity (SRAT) 정보를 사용하지 않음 */ if ((ma->flags & ACPI_SRAT_MEM_ENABLED) == 0) return -1; /* Memory Hot Pluggable 이사용되지만, CONFIG 에 설정되어 있지 않은 경우 */ if ((ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) && !save_add_info()) return -1; /* ACPI(SRAT)로 얻어온 Memory Affinity 정보를 설정 */ start = ma->base_address; end = start + ma->length; pxm = ma->proximity_domain; if (acpi_srat_revision <= 1) pxm &= 0xff; /* pxm 으로 node id를 가져옮 */ node = setup_node(pxm); if (node < 0) { printk(KERN_ERR "SRAT: Too many proximity domains.\n"); bad_srat(); return -1; } /* node에 memory block을 추가 */ if (numa_add_memblk(node, start, end) < 0) { bad_srat(); return -1; } node_set(node, numa_nodes_parsed); printk(KERN_INFO "SRAT: Node %u PXM %u [mem %#010Lx-%#010Lx]\n", node, pxm, (unsigned long long) start, (unsigned long long) end - 1); return 0; }
/* Callback for parsing of the Proximity Domain <-> Memory Area mappings */ void __init acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma) { struct bootnode *nd, oldnode; unsigned long start, end; int node, pxm; int i; if (srat_disabled()) return; if (ma->header.length != sizeof(struct acpi_srat_mem_affinity)) { bad_srat(); return; } if ((ma->flags & ACPI_SRAT_MEM_ENABLED) == 0) return; if ((ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) && !save_add_info()) return; start = ma->base_address; end = start + ma->length; pxm = ma->proximity_domain; node = setup_node(pxm); if (node < 0) { printk(KERN_ERR "SRAT: Too many proximity domains.\n"); bad_srat(); return; } i = conflicting_nodes(start, end); if (i == node) { printk(KERN_WARNING "SRAT: Warning: PXM %d (%lx-%lx) overlaps with itself (%Lx-%Lx)\n", pxm, start, end, nodes[i].start, nodes[i].end); } else if (i >= 0) { printk(KERN_ERR "SRAT: PXM %d (%lx-%lx) overlaps with PXM %d (%Lx-%Lx)\n", pxm, start, end, node_to_pxm(i), nodes[i].start, nodes[i].end); bad_srat(); return; } nd = &nodes[node]; oldnode = *nd; if (!node_test_and_set(node, nodes_parsed)) { nd->start = start; nd->end = end; } else { if (start < nd->start) nd->start = start; if (nd->end < end) nd->end = end; } printk(KERN_INFO "SRAT: Node %u PXM %u %Lx-%Lx\n", node, pxm, nd->start, nd->end); e820_register_active_regions(node, nd->start >> PAGE_SHIFT, nd->end >> PAGE_SHIFT); push_node_boundaries(node, nd->start >> PAGE_SHIFT, nd->end >> PAGE_SHIFT); if ((ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) && (reserve_hotadd(node, start, end) < 0)) { /* Ignore hotadd region. Undo damage */ printk(KERN_NOTICE "SRAT: Hotplug region ignored\n"); *nd = oldnode; if ((nd->start | nd->end) == 0) node_clear(node, nodes_parsed); } }
/* Callback for parsing of the Proximity Domain <-> Memory Area mappings */ void __init acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma) { struct bootnode *nd, oldnode; unsigned long start, end; int node, pxm; int i; if (srat_disabled()) return; if (ma->header.length != sizeof(struct acpi_srat_mem_affinity)) { bad_srat(); return; } if ((ma->flags & ACPI_SRAT_MEM_ENABLED) == 0) return; if ((ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) && !save_add_info()) return; start = ma->base_address; end = start + ma->length; pxm = ma->proximity_domain; node = setup_node(pxm); if (node < 0) { printk(KERN_ERR "SRAT: Too many proximity domains.\n"); bad_srat(); return; } i = conflicting_memblks(start, end); if (i == node) { printk(KERN_WARNING "SRAT: Warning: PXM %d (%lx-%lx) overlaps with itself (%Lx-%Lx)\n", pxm, start, end, nodes[i].start, nodes[i].end); } else if (i >= 0) { printk(KERN_ERR "SRAT: PXM %d (%lx-%lx) overlaps with PXM %d (%Lx-%Lx)\n", pxm, start, end, node_to_pxm(i), nodes[i].start, nodes[i].end); bad_srat(); return; } nd = &nodes[node]; oldnode = *nd; if (!node_test_and_set(node, nodes_parsed)) { nd->start = start; nd->end = end; } else { if (start < nd->start) nd->start = start; if (nd->end < end) nd->end = end; } printk(KERN_INFO "SRAT: Node %u PXM %u %lx-%lx\n", node, pxm, start, end); if (ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) { update_nodes_add(node, start, end); /* restore nodes[node] */ *nd = oldnode; if ((nd->start | nd->end) == 0) node_clear(node, nodes_parsed); } node_memblk_range[num_node_memblks].start = start; node_memblk_range[num_node_memblks].end = end; memblk_nodeid[num_node_memblks] = node; num_node_memblks++; }