I met this compile error.
==
   CHK     include/linux/version.h
   CHK     include/linux/compile.h
   CHK     usr/initramfs_list
   CC      drivers/acpi/acpi_memhotplug.o
drivers/acpi/acpi_memhotplug.c: In function `acpi_memory_get_device_resources':
drivers/acpi/acpi_memhotplug.c:101: error: structure has no member named `attribute'
drivers/acpi/acpi_memhotplug.c:103: error: structure has no member named `attribute'
drivers/acpi/acpi_memhotplug.c: In function `acpi_memory_disable_device':
drivers/acpi/acpi_memhotplug.c:253: warning: unused variable `attr'
make[2]: *** [drivers/acpi/acpi_memhotplug.o] Error 1
make[1]: *** [drivers/acpi] Error 2
make: *** [drivers] Error 2
==

My quick patch against this and .config is attached.

-- Kame
Index: linux-2.6.15-mm1/drivers/acpi/acpi_memhotplug.c
===================================================================
--- linux-2.6.15-mm1.orig/drivers/acpi/acpi_memhotplug.c
+++ linux-2.6.15-mm1/drivers/acpi/acpi_memhotplug.c
@@ -71,8 +71,8 @@ static struct acpi_driver acpi_memory_de
  struct acpi_memory_device {
  	acpi_handle handle;
  	unsigned int state;	/* State of the memory device */
-	unsigned short cache_attribute;	/* memory cache attribute */
-	unsigned short read_write_attribute;	/* memory read/write attribute */
+	unsigned short caching;	/* memory cache attribute */
+	unsigned short write_protect;	/* memory read/write attribute */
  	u64 start_addr;		/* Memory Range start physical addr */
  	u64 end_addr;		/* Memory Range end physical addr */
  };
@@ -97,10 +97,10 @@ acpi_memory_get_device_resources(struct
  	if (ACPI_SUCCESS(status)) {
  		if (address64.resource_type == ACPI_MEMORY_RANGE) {
  			/* Populate the structure */
-			mem_device->cache_attribute =
-			    address64.attribute.memory.cache_attribute;
-			mem_device->read_write_attribute =
-			    address64.attribute.memory.read_write_attribute;
+			mem_device->caching =
+			    address64.info.mem.caching;
+			mem_device->write_protect =
+			    address64.info.mem.write_protect;
  			mem_device->start_addr = address64.minimum;
  			mem_device->end_addr = address64.maximum;
  		}
@@ -250,7 +250,6 @@ static int acpi_memory_disable_device(st
  	int result;
  	u64 start = mem_device->start_addr;
  	u64 len = mem_device->end_addr - start + 1;
-	unsigned long attr = mem_device->read_write_attribute;

  	ACPI_FUNCTION_TRACE("acpi_memory_disable_device");