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-rw-r--r--arch/ia64/kernel/efi.c6
-rw-r--r--kernel/resource.c2
-rw-r--r--mm/memory_hotplug.c2
3 files changed, 4 insertions, 6 deletions
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index 5181bf551f3..8e8f8b6193e 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -1113,7 +1113,7 @@ efi_initialize_iomem_resources(struct resource *code_resource,
if (md->num_pages == 0) /* should not happen */
continue;
- flags = IORESOURCE_MEM;
+ flags = IORESOURCE_MEM | IORESOURCE_BUSY;
switch (md->type) {
case EFI_MEMORY_MAPPED_IO:
@@ -1135,12 +1135,11 @@ efi_initialize_iomem_resources(struct resource *code_resource,
case EFI_ACPI_MEMORY_NVS:
name = "ACPI Non-volatile Storage";
- flags |= IORESOURCE_BUSY;
break;
case EFI_UNUSABLE_MEMORY:
name = "reserved";
- flags |= IORESOURCE_BUSY | IORESOURCE_DISABLED;
+ flags |= IORESOURCE_DISABLED;
break;
case EFI_RESERVED_TYPE:
@@ -1149,7 +1148,6 @@ efi_initialize_iomem_resources(struct resource *code_resource,
case EFI_ACPI_RECLAIM_MEMORY:
default:
name = "reserved";
- flags |= IORESOURCE_BUSY;
break;
}
diff --git a/kernel/resource.c b/kernel/resource.c
index a358142ff48..2eb553d9b51 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -277,7 +277,7 @@ walk_memory_resource(unsigned long start_pfn, unsigned long nr_pages, void *arg,
int ret = -1;
res.start = (u64) start_pfn << PAGE_SHIFT;
res.end = ((u64)(start_pfn + nr_pages) << PAGE_SHIFT) - 1;
- res.flags = IORESOURCE_MEM;
+ res.flags = IORESOURCE_MEM | IORESOURCE_BUSY;
orig_end = res.end;
while ((res.start < res.end) && (find_next_system_ram(&res) >= 0)) {
pfn = (unsigned long)(res.start >> PAGE_SHIFT);
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 987abe6375e..9512a544d04 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -39,7 +39,7 @@ static struct resource *register_memory_resource(u64 start, u64 size)
res->name = "System RAM";
res->start = start;
res->end = start + size - 1;
- res->flags = IORESOURCE_MEM;
+ res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
if (request_resource(&iomem_resource, res) < 0) {
printk("System RAM resource %llx - %llx cannot be added\n",
(unsigned long long)res->start, (unsigned long long)res->end);