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From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Jeff Chua <jeff.chua.linux@gmail.com>
Subject: Re: [linux-pm] Resume from Memory very slow on 2.6.37+
Date: Tue, 18 Jan 2011 21:20:16 +0100
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Cc: Len Brown <len.brown@intel.com>, linux-pm@lists.linux-foundation.org,
	Jack Steiner <steiner@sgi.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	ACPI Devel Maling List <linux-acpi@vger.kernel.org>
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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);
 }