| From | Len Brown <> | Subject | [PATCH 72/76] ACPI: Fix logic for removing mappings in 'acpi_unmap' | Date | Fri, 30 Mar 2012 06:14:15 -0400 |
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From: Myron Stowe <mstowe@redhat.com>
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 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
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 @@ 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); -- 1.7.10.rc2.19.gfae9d
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