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-rw-r--r--drivers/acpi/acpi_memhotplug.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index 81e970adeab3..e9175eaeb1df 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -230,17 +230,10 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device)
* (i.e. memory-hot-remove function)
*/
list_for_each_entry(info, &mem_device->res_list, list) {
- u64 start_pfn, end_pfn;
-
- start_pfn = info->start_addr >> PAGE_SHIFT;
- end_pfn = (info->start_addr + info->length - 1) >> PAGE_SHIFT;
-
- if (pfn_valid(start_pfn) || pfn_valid(end_pfn)) {
- /* already enabled. try next area */
+ if (info->enabled) { /* just sanity check...*/
num_enabled++;
continue;
}
-
result = add_memory(node, info->start_addr, info->length);
if (result)
continue;