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-rw-r--r--arch/x86/kernel/setup.c13
-rw-r--r--arch/x86/mm/numa.c11
-rw-r--r--arch/x86/mm/srat.c125
3 files changed, 12 insertions, 137 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index e89acdf6b77..84d32855f65 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1056,15 +1056,6 @@ void __init setup_arch(char **cmdline_p)
setup_bios_corruption_check();
#endif
- /*
- * In the memory hotplug case, the kernel needs info from SRAT to
- * determine which memory is hotpluggable before allocating memory
- * using memblock.
- */
- acpi_boot_table_init();
- early_acpi_boot_init();
- early_parse_srat();
-
#ifdef CONFIG_X86_32
printk(KERN_DEBUG "initial memory mapped: [mem 0x00000000-%#010lx]\n",
(max_pfn_mapped<<PAGE_SHIFT) - 1);
@@ -1110,6 +1101,10 @@ void __init setup_arch(char **cmdline_p)
/*
* Parse the ACPI tables for possible boot-time SMP configuration.
*/
+ acpi_boot_table_init();
+
+ early_acpi_boot_init();
+
initmem_init();
memblock_find_dma_reserve();
diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index ff3633c794c..72fe01e9e41 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -212,9 +212,10 @@ static void __init setup_node_data(int nid, u64 start, u64 end)
* Allocate node data. Try node-local memory and then any node.
* Never allocate in DMA zone.
*/
- nd_pa = memblock_alloc_try_nid(nd_size, SMP_CACHE_BYTES, nid);
+ nd_pa = memblock_alloc_nid(nd_size, SMP_CACHE_BYTES, nid);
if (!nd_pa) {
- pr_err("Cannot find %zu bytes in any node\n", nd_size);
+ pr_err("Cannot find %zu bytes in node %d\n",
+ nd_size, nid);
return;
}
nd = __va(nd_pa);
@@ -559,12 +560,10 @@ static int __init numa_init(int (*init_func)(void))
for (i = 0; i < MAX_LOCAL_APIC; i++)
set_apicid_to_node(i, NUMA_NO_NODE);
- /*
- * Do not clear numa_nodes_parsed or zero numa_meminfo here, because
- * SRAT was parsed earlier in early_parse_srat().
- */
+ nodes_clear(numa_nodes_parsed);
nodes_clear(node_possible_map);
nodes_clear(node_online_map);
+ memset(&numa_meminfo, 0, sizeof(numa_meminfo));
WARN_ON(memblock_set_node(0, ULLONG_MAX, MAX_NUMNODES));
numa_reset_distance();
diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c
index 79836d01f78..cdd0da9dd53 100644
--- a/arch/x86/mm/srat.c
+++ b/arch/x86/mm/srat.c
@@ -141,126 +141,11 @@ static inline int save_add_info(void) {return 1;}
static inline int save_add_info(void) {return 0;}
#endif
-#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
-static void __init
-handle_movablemem(int node, u64 start, u64 end, u32 hotpluggable)
-{
- int overlap, i;
- unsigned long start_pfn, end_pfn;
-
- start_pfn = PFN_DOWN(start);
- end_pfn = PFN_UP(end);
-
- /*
- * For movablemem_map=acpi:
- *
- * SRAT: |_____| |_____| |_________| |_________| ......
- * node id: 0 1 1 2
- * hotpluggable: n y y n
- * movablemem_map: |_____| |_________|
- *
- * Using movablemem_map, we can prevent memblock from allocating memory
- * on ZONE_MOVABLE at boot time.
- *
- * Before parsing SRAT, memblock has already reserve some memory ranges
- * for other purposes, such as for kernel image. We cannot prevent
- * kernel from using these memory, so we need to exclude these memory
- * even if it is hotpluggable.
- * Furthermore, to ensure the kernel has enough memory to boot, we make
- * all the memory on the node which the kernel resides in
- * un-hotpluggable.
- */
- if (hotpluggable && movablemem_map.acpi) {
- /* Exclude ranges reserved by memblock. */
- struct memblock_type *rgn = &memblock.reserved;
-
- for (i = 0; i < rgn->cnt; i++) {
- if (end <= rgn->regions[i].base ||
- start >= rgn->regions[i].base +
- rgn->regions[i].size)
- continue;
-
- /*
- * If the memory range overlaps the memory reserved by
- * memblock, then the kernel resides in this node.
- */
- node_set(node, movablemem_map.numa_nodes_kernel);
-
- goto out;
- }
-
- /*
- * If the kernel resides in this node, then the whole node
- * should not be hotpluggable.
- */
- if (node_isset(node, movablemem_map.numa_nodes_kernel))
- goto out;
-
- insert_movablemem_map(start_pfn, end_pfn);
-
- /*
- * numa_nodes_hotplug nodemask represents which nodes are put
- * into movablemem_map.map[].
- */
- node_set(node, movablemem_map.numa_nodes_hotplug);
- goto out;
- }
-
- /*
- * For movablemem_map=nn[KMG]@ss[KMG]:
- *
- * SRAT: |_____| |_____| |_________| |_________| ......
- * node id: 0 1 1 2
- * user specified: |__| |___|
- * movablemem_map: |___| |_________| |______| ......
- *
- * Using movablemem_map, we can prevent memblock from allocating memory
- * on ZONE_MOVABLE at boot time.
- *
- * NOTE: In this case, SRAT info will be ingored.
- */
- overlap = movablemem_map_overlap(start_pfn, end_pfn);
- if (overlap >= 0) {
- /*
- * If part of this range is in movablemem_map, we need to
- * add the range after it to extend the range to the end
- * of the node, because from the min address specified to
- * the end of the node will be ZONE_MOVABLE.
- */
- start_pfn = max(start_pfn,
- movablemem_map.map[overlap].start_pfn);
- insert_movablemem_map(start_pfn, end_pfn);
-
- /*
- * Set the nodemask, so that if the address range on one node
- * is not continuse, we can add the subsequent ranges on the
- * same node into movablemem_map.
- */
- node_set(node, movablemem_map.numa_nodes_hotplug);
- } else {
- if (node_isset(node, movablemem_map.numa_nodes_hotplug))
- /*
- * Insert the range if we already have movable ranges
- * on the same node.
- */
- insert_movablemem_map(start_pfn, end_pfn);
- }
-out:
- return;
-}
-#else /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
-static inline void
-handle_movablemem(int node, u64 start, u64 end, u32 hotpluggable)
-{
-}
-#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
-
/* 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())
@@ -269,8 +154,7 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
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())
+ if ((ma->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) && !save_add_info())
goto out_err;
start = ma->base_address;
@@ -290,12 +174,9 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
node_set(node, numa_nodes_parsed);
- printk(KERN_INFO "SRAT: Node %u PXM %u [mem %#010Lx-%#010Lx] %s\n",
+ printk(KERN_INFO "SRAT: Node %u PXM %u [mem %#010Lx-%#010Lx]\n",
node, pxm,
- (unsigned long long) start, (unsigned long long) end - 1,
- hotpluggable ? "Hot Pluggable": "");
-
- handle_movablemem(node, start, end, hotpluggable);
+ (unsigned long long) start, (unsigned long long) end - 1);
return 0;
out_err_bad_srat:
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-17 18:47:52 +0000