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-rw-r--r--arch/ia64/Kconfig12
-rw-r--r--arch/ia64/ia32/sys_ia32.c2
-rw-r--r--arch/ia64/kernel/acpi.c13
-rw-r--r--arch/ia64/kernel/numa.c34
-rw-r--r--arch/ia64/kernel/perfmon.c1
-rw-r--r--arch/ia64/kernel/topology.c4
-rw-r--r--arch/ia64/kernel/uncached.c2
-rw-r--r--arch/ia64/mm/contig.c67
-rw-r--r--arch/ia64/mm/discontig.c44
-rw-r--r--arch/ia64/mm/init.c12
-rw-r--r--arch/ia64/pci/pci.c3
-rw-r--r--arch/ia64/sn/kernel/sn2/sn_hwperf.c3
12 files changed, 88 insertions, 109 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 9ed69e7..0b7f701 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -66,15 +66,6 @@ config IA64_UNCACHED_ALLOCATOR
bool
select GENERIC_ALLOCATOR
-config DMA_IS_DMA32
- bool
- default y
-
-config DMA_IS_NORMAL
- bool
- depends on IA64_SGI_SN2
- default y
-
config AUDIT_ARCH
bool
default y
@@ -365,6 +356,9 @@ config NODES_SHIFT
MAX_NUMNODES will be 2^(This value).
If in doubt, use the default.
+config ARCH_POPULATES_NODE_MAP
+ def_bool y
+
# VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent.
# VIRTUAL_MEM_MAP has been retained for historical reasons.
config VIRTUAL_MEM_MAP
diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c
index 6aa3c51..bddbd22 100644
--- a/arch/ia64/ia32/sys_ia32.c
+++ b/arch/ia64/ia32/sys_ia32.c
@@ -1942,7 +1942,7 @@ struct sysctl32 {
unsigned int __unused[4];
};
-#ifdef CONFIG_SYSCTL
+#ifdef CONFIG_SYSCTL_SYSCALL
asmlinkage long
sys32_sysctl (struct sysctl32 __user *args)
{
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 0176556..32c3abed 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -771,16 +771,19 @@ int acpi_map_cpu2node(acpi_handle handle, int cpu, long physid)
{
#ifdef CONFIG_ACPI_NUMA
int pxm_id;
+ int nid;
pxm_id = acpi_get_pxm(handle);
-
/*
- * Assuming that the container driver would have set the proximity
- * domain and would have initialized pxm_to_node(pxm_id) && pxm_flag
+ * We don't have cpu-only-node hotadd. But if the system equips
+ * SRAT table, pxm is already found and node is ready.
+ * So, just pxm_to_nid(pxm) is OK.
+ * This code here is for the system which doesn't have full SRAT
+ * table for possible cpus.
*/
- node_cpuid[cpu].nid = (pxm_id < 0) ? 0 : pxm_to_node(pxm_id);
-
+ nid = acpi_map_pxm_to_node(pxm_id);
node_cpuid[cpu].phys_id = physid;
+ node_cpuid[cpu].nid = nid;
#endif
return (0);
}
diff --git a/arch/ia64/kernel/numa.c b/arch/ia64/kernel/numa.c
index 1cc360c..2034063 100644
--- a/arch/ia64/kernel/numa.c
+++ b/arch/ia64/kernel/numa.c
@@ -29,6 +29,36 @@ EXPORT_SYMBOL(cpu_to_node_map);
cpumask_t node_to_cpu_mask[MAX_NUMNODES] __cacheline_aligned;
+void __cpuinit map_cpu_to_node(int cpu, int nid)
+{
+ int oldnid;
+ if (nid < 0) { /* just initialize by zero */
+ cpu_to_node_map[cpu] = 0;
+ return;
+ }
+ /* sanity check first */
+ oldnid = cpu_to_node_map[cpu];
+ if (cpu_isset(cpu, node_to_cpu_mask[oldnid])) {
+ return; /* nothing to do */
+ }
+ /* we don't have cpu-driven node hot add yet...
+ In usual case, node is created from SRAT at boot time. */
+ if (!node_online(nid))
+ nid = first_online_node;
+ cpu_to_node_map[cpu] = nid;
+ cpu_set(cpu, node_to_cpu_mask[nid]);
+ return;
+}
+
+void __cpuinit unmap_cpu_from_node(int cpu, int nid)
+{
+ WARN_ON(!cpu_isset(cpu, node_to_cpu_mask[nid]));
+ WARN_ON(cpu_to_node_map[cpu] != nid);
+ cpu_to_node_map[cpu] = 0;
+ cpu_clear(cpu, node_to_cpu_mask[nid]);
+}
+
+
/**
* build_cpu_to_node_map - setup cpu to node and node to cpumask arrays
*
@@ -49,8 +79,6 @@ void __init build_cpu_to_node_map(void)
node = node_cpuid[i].nid;
break;
}
- cpu_to_node_map[cpu] = (node >= 0) ? node : 0;
- if (node >= 0)
- cpu_set(cpu, node_to_cpu_mask[node]);
+ map_cpu_to_node(cpu, node);
}
}
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 45000d5..281004f 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -34,6 +34,7 @@
#include <linux/file.h>
#include <linux/poll.h>
#include <linux/vfs.h>
+#include <linux/smp.h>
#include <linux/pagemap.h>
#include <linux/mount.h>
#include <linux/bitops.h>
diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
index f648c61..5629b45 100644
--- a/arch/ia64/kernel/topology.c
+++ b/arch/ia64/kernel/topology.c
@@ -36,6 +36,7 @@ int arch_register_cpu(int num)
*/
if (!can_cpei_retarget() && is_cpu_cpei_target(num))
sysfs_cpus[num].cpu.no_control = 1;
+ map_cpu_to_node(num, node_cpuid[num].nid);
#endif
return register_cpu(&sysfs_cpus[num].cpu, num);
@@ -45,7 +46,8 @@ int arch_register_cpu(int num)
void arch_unregister_cpu(int num)
{
- return unregister_cpu(&sysfs_cpus[num].cpu);
+ unregister_cpu(&sysfs_cpus[num].cpu);
+ unmap_cpu_from_node(num, cpu_to_node(num));
}
EXPORT_SYMBOL(arch_register_cpu);
EXPORT_SYMBOL(arch_unregister_cpu);
diff --git a/arch/ia64/kernel/uncached.c b/arch/ia64/kernel/uncached.c
index 4c73a67..c58e933 100644
--- a/arch/ia64/kernel/uncached.c
+++ b/arch/ia64/kernel/uncached.c
@@ -98,7 +98,7 @@ static int uncached_add_chunk(struct uncached_pool *uc_pool, int nid)
/* attempt to allocate a granule's worth of cached memory pages */
- page = alloc_pages_node(nid, GFP_KERNEL | __GFP_ZERO,
+ page = alloc_pages_node(nid, GFP_KERNEL | __GFP_ZERO | GFP_THISNODE,
IA64_GRANULE_SHIFT-PAGE_SHIFT);
if (!page) {
mutex_unlock(&uc_pool->add_chunk_mutex);
diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
index 537c2f3..daf977f 100644
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -26,7 +26,6 @@
#include <asm/mca.h>
#ifdef CONFIG_VIRTUAL_MEM_MAP
-static unsigned long num_dma_physpages;
static unsigned long max_gap;
#endif
@@ -219,18 +218,6 @@ count_pages (u64 start, u64 end, void *arg)
return 0;
}
-#ifdef CONFIG_VIRTUAL_MEM_MAP
-static int
-count_dma_pages (u64 start, u64 end, void *arg)
-{
- unsigned long *count = arg;
-
- if (start < MAX_DMA_ADDRESS)
- *count += (min(end, MAX_DMA_ADDRESS) - start) >> PAGE_SHIFT;
- return 0;
-}
-#endif
-
/*
* Set up the page tables.
*/
@@ -239,45 +226,22 @@ void __init
paging_init (void)
{
unsigned long max_dma;
- unsigned long zones_size[MAX_NR_ZONES];
-#ifdef CONFIG_VIRTUAL_MEM_MAP
- unsigned long zholes_size[MAX_NR_ZONES];
-#endif
-
- /* initialize mem_map[] */
-
- memset(zones_size, 0, sizeof(zones_size));
+ unsigned long nid = 0;
+ unsigned long max_zone_pfns[MAX_NR_ZONES];
num_physpages = 0;
efi_memmap_walk(count_pages, &num_physpages);
max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT;
+ max_zone_pfns[ZONE_DMA] = max_dma;
+ max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
#ifdef CONFIG_VIRTUAL_MEM_MAP
- memset(zholes_size, 0, sizeof(zholes_size));
-
- num_dma_physpages = 0;
- efi_memmap_walk(count_dma_pages, &num_dma_physpages);
-
- if (max_low_pfn < max_dma) {
- zones_size[ZONE_DMA] = max_low_pfn;
- zholes_size[ZONE_DMA] = max_low_pfn - num_dma_physpages;
- } else {
- zones_size[ZONE_DMA] = max_dma;
- zholes_size[ZONE_DMA] = max_dma - num_dma_physpages;
- if (num_physpages > num_dma_physpages) {
- zones_size[ZONE_NORMAL] = max_low_pfn - max_dma;
- zholes_size[ZONE_NORMAL] =
- ((max_low_pfn - max_dma) -
- (num_physpages - num_dma_physpages));
- }
- }
-
+ efi_memmap_walk(register_active_ranges, &nid);
efi_memmap_walk(find_largest_hole, (u64 *)&max_gap);
if (max_gap < LARGE_GAP) {
vmem_map = (struct page *) 0;
- free_area_init_node(0, NODE_DATA(0), zones_size, 0,
- zholes_size);
+ free_area_init_nodes(max_zone_pfns);
} else {
unsigned long map_size;
@@ -289,20 +253,19 @@ paging_init (void)
vmem_map = (struct page *) vmalloc_end;
efi_memmap_walk(create_mem_map_page_table, NULL);
- NODE_DATA(0)->node_mem_map = vmem_map;
- free_area_init_node(0, NODE_DATA(0), zones_size,
- 0, zholes_size);
+ /*
+ * alloc_node_mem_map makes an adjustment for mem_map
+ * which isn't compatible with vmem_map.
+ */
+ NODE_DATA(0)->node_mem_map = vmem_map +
+ find_min_pfn_with_active_regions();
+ free_area_init_nodes(max_zone_pfns);
printk("Virtual mem_map starts at 0x%p\n", mem_map);
}
#else /* !CONFIG_VIRTUAL_MEM_MAP */
- if (max_low_pfn < max_dma)
- zones_size[ZONE_DMA] = max_low_pfn;
- else {
- zones_size[ZONE_DMA] = max_dma;
- zones_size[ZONE_NORMAL] = max_low_pfn - max_dma;
- }
- free_area_init(zones_size);
+ add_active_range(0, 0, max_low_pfn);
+ free_area_init_nodes(max_zone_pfns);
#endif /* !CONFIG_VIRTUAL_MEM_MAP */
zero_page_memmap_ptr = virt_to_page(ia64_imva(empty_zero_page));
}
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 6ea2797..d497b6b 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -654,6 +654,7 @@ static __init int count_node_pages(unsigned long start, unsigned long len, int n
{
unsigned long end = start + len;
+ add_active_range(node, start >> PAGE_SHIFT, end >> PAGE_SHIFT);
mem_data[node].num_physpages += len >> PAGE_SHIFT;
if (start <= __pa(MAX_DMA_ADDRESS))
mem_data[node].num_dma_physpages +=
@@ -678,10 +679,10 @@ static __init int count_node_pages(unsigned long start, unsigned long len, int n
void __init paging_init(void)
{
unsigned long max_dma;
- unsigned long zones_size[MAX_NR_ZONES];
- unsigned long zholes_size[MAX_NR_ZONES];
unsigned long pfn_offset = 0;
+ unsigned long max_pfn = 0;
int node;
+ unsigned long max_zone_pfns[MAX_NR_ZONES];
max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT;
@@ -698,47 +699,20 @@ void __init paging_init(void)
#endif
for_each_online_node(node) {
- memset(zones_size, 0, sizeof(zones_size));
- memset(zholes_size, 0, sizeof(zholes_size));
-
num_physpages += mem_data[node].num_physpages;
-
- if (mem_data[node].min_pfn >= max_dma) {
- /* All of this node's memory is above ZONE_DMA */
- zones_size[ZONE_NORMAL] = mem_data[node].max_pfn -
- mem_data[node].min_pfn;
- zholes_size[ZONE_NORMAL] = mem_data[node].max_pfn -
- mem_data[node].min_pfn -
- mem_data[node].num_physpages;
- } else if (mem_data[node].max_pfn < max_dma) {
- /* All of this node's memory is in ZONE_DMA */
- zones_size[ZONE_DMA] = mem_data[node].max_pfn -
- mem_data[node].min_pfn;
- zholes_size[ZONE_DMA] = mem_data[node].max_pfn -
- mem_data[node].min_pfn -
- mem_data[node].num_dma_physpages;
- } else {
- /* This node has memory in both zones */
- zones_size[ZONE_DMA] = max_dma -
- mem_data[node].min_pfn;
- zholes_size[ZONE_DMA] = zones_size[ZONE_DMA] -
- mem_data[node].num_dma_physpages;
- zones_size[ZONE_NORMAL] = mem_data[node].max_pfn -
- max_dma;
- zholes_size[ZONE_NORMAL] = zones_size[ZONE_NORMAL] -
- (mem_data[node].num_physpages -
- mem_data[node].num_dma_physpages);
- }
-
pfn_offset = mem_data[node].min_pfn;
#ifdef CONFIG_VIRTUAL_MEM_MAP
NODE_DATA(node)->node_mem_map = vmem_map + pfn_offset;
#endif
- free_area_init_node(node, NODE_DATA(node), zones_size,
- pfn_offset, zholes_size);
+ if (mem_data[node].max_pfn > max_pfn)
+ max_pfn = mem_data[node].max_pfn;
}
+ max_zone_pfns[ZONE_DMA] = max_dma;
+ max_zone_pfns[ZONE_NORMAL] = max_pfn;
+ free_area_init_nodes(max_zone_pfns);
+
zero_page_memmap_ptr = virt_to_page(ia64_imva(empty_zero_page));
}
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 30617cc..ff87a5c 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -593,6 +593,18 @@ find_largest_hole (u64 start, u64 end, void *arg)
last_end = end;
return 0;
}
+
+int __init
+register_active_ranges(u64 start, u64 end, void *nid)
+{
+ BUG_ON(nid == NULL);
+ BUG_ON(*(unsigned long *)nid >= MAX_NUMNODES);
+
+ add_active_range(*(unsigned long *)nid,
+ __pa(start) >> PAGE_SHIFT,
+ __pa(end) >> PAGE_SHIFT);
+ return 0;
+}
#endif /* CONFIG_VIRTUAL_MEM_MAP */
static int __init
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 60b45e7..15c7c67 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -562,7 +562,8 @@ pcibios_enable_device (struct pci_dev *dev, int mask)
void
pcibios_disable_device (struct pci_dev *dev)
{
- acpi_pci_irq_disable(dev);
+ if (dev->is_enabled)
+ acpi_pci_irq_disable(dev);
}
void
diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
index 9a8a293..b632b9c 100644
--- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c
+++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
@@ -32,9 +32,10 @@
#include <linux/cpumask.h>
#include <linux/smp_lock.h>
#include <linux/nodemask.h>
+#include <linux/smp.h>
+
#include <asm/processor.h>
#include <asm/topology.h>
-#include <asm/smp.h>
#include <asm/semaphore.h>
#include <asm/uaccess.h>
#include <asm/sal.h>
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