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ACPI: Fix logic for removing mappings in 'acpi_unmap'
author
Myron Stowe
<mstowe@redhat.com>
Thu, 9 Feb 2012 16:36:41 +0000
(09:36 -0700)
committer
Len Brown
<len.brown@intel.com>
Fri, 30 Mar 2012 08:05:14 +0000
(
04:05
-0400)
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
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diff --git
a/drivers/acpi/osl.c
b/drivers/acpi/osl.c
index
412a1e0
..
5aef087
100644
(file)
--- a/
drivers/acpi/osl.c
+++ b/
drivers/acpi/osl.c
@@
-347,7
+347,7
@@
static void acpi_unmap(acpi_physical_address pg_off, void __iomem *vaddr)
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);