[linux-pm] Resume from Memory very slow on 2.6.37+

Commit Message

Rafael Wysocki Jan. 18, 2011, 8:20 p.m. UTC

None

Patch

Index: linux-2.6/drivers/acpi/osl.c
===================================================================
--- linux-2.6.orig/drivers/acpi/osl.c
+++ linux-2.6/drivers/acpi/osl.c
@@ -383,7 +383,10 @@  void __ref acpi_os_unmap_memory(void __i
 	if (!del)
 		return;
 
+	pr_info("%s: synchronize_rcu()\n", __func__);
 	synchronize_rcu();
+	pr_info("%s: iounmap(%p), physaddr: %llx, size: %u\n", __func__,
+		map->virt, map->phys, map->size);
 	iounmap(map->virt);
 	kfree(map);
 }