ACPI / memhotplug: Remove info->failed bit

acpi_memory_info has enabled bit and failed bit for controlling memory
hotplug. But we don't need to keep both bits.

The patch removes acpi_memory_info->failed bit.

Signed-off-by: yasuaki ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Acked-by: Toshi Kani <toshi.kani@hp.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

1 files changed, 2 insertions, 13 deletions

diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index ea78988bc13f..5e6301e94920 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -73,7 +73,6 @@ struct acpi_memory_info {
         unsigned short caching; /* memory cache attribute */
         unsigned short write_protect;   /* memory read/write attribute */
         unsigned int enabled:1;
-        unsigned int failed:1;
 };
 
 struct acpi_memory_device {
@@ -201,10 +200,8 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device)
                  * returns -EEXIST. If add_memory() returns the other error, it
                  * means that this memory block is not used by the kernel.
                  */
-                if (result && result != -EEXIST) {
-                        info->failed = 1;
+                if (result && result != -EEXIST)
                         continue;
-                }
 
                 info->enabled = 1;
 
@@ -238,16 +235,8 @@ static int acpi_memory_remove_memory(struct acpi_memory_device *mem_device)
         nid = acpi_get_node(mem_device->device->handle);
 
         list_for_each_entry_safe(info, n, &mem_device->res_list, list) {
-                if (info->failed)
-                        /* The kernel does not use this memory block */
-                        continue;
-
                 if (!info->enabled)
-                        /*
-                         * The kernel uses this memory block, but it may be not
-                         * managed by us.
-                         */
-                        return -EBUSY;
+                        continue;
 
                 if (nid < 0)
                         nid = memory_add_physaddr_to_nid(info->start_addr);