commit 8cdde126aa60ced0d63ff137378e09dd01dfadda
author Myron Stowe <mstowe@redhat.com> Thu Feb 09 09:36:41 2012 -0700
committer Len Brown <len.brown@intel.com> Fri Mar 30 04:05:14 2012 -0400
tree 3a28719dd6f8207125098fdf276ac20694aaf2c3
parent 37d2a3622d249d83413c92a1cd9e94b5237d0fcc

ACPI: Fix logic for removing mappings in 'acpi_unmap'

Make sure the removal of mappings uses the same logic that put the
mappings in place.

Signed-off-by: Myron Stowe <myron.stowe@redhat.com>
Signed-off-by: Len Brown <len.brown@intel.com>

drivers/acpi/osl.c

diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 412a1e0..5aef087 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -347,7 +347,7 @@
 	unsigned long pfn;
 
 	pfn = pg_off >> PAGE_SHIFT;
-	if (page_is_ram(pfn))
+	if (should_use_kmap(pfn))
 		kunmap(pfn_to_page(pfn));
 	else
 		iounmap(vaddr);