[PATCH 72/76] ACPI: Fix logic for removing mappings in 'acpi_unmap'
From: Len Brown
Date: Fri Mar 30 2012 - 07:19:56 EST
From: Myron Stowe <mstowe@xxxxxxxxxx>
Make sure the removal of mappings uses the same logic that put the
mappings in place.
Signed-off-by: Myron Stowe <myron.stowe@xxxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
---
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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/