use early_acpi_os_unmap_memory
Signed-off-by: Yinghai Lu <yhlu.kernel@xxxxxxxxx>
---
drivers/pci/dmar.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
Index: linux-2.6/drivers/pci/dmar.c
===================================================================
--- linux-2.6.orig/drivers/pci/dmar.c
+++ linux-2.6/drivers/pci/dmar.c
@@ -42,6 +42,7 @@
LIST_HEAD(dmar_drhd_units);
static struct acpi_table_header * __initdata dmar_tbl;
+static acpi_size __initdata dmar_tbl_size;
static void __init dmar_register_drhd_unit(struct dmar_drhd_unit *drhd)
{
@@ -296,9 +297,13 @@ static int __init dmar_table_detect(void
{
acpi_status status = AE_OK;
+ if (dmar_tbl)
+ early_acpi_os_unmap_memory(dmar_tbl, dmar_tbl_size);
+
/* if we could find DMAR table, then there are DMAR devices */
- status = acpi_get_table(ACPI_SIG_DMAR, 0,
- (struct acpi_table_header **)&dmar_tbl);
+ status = acpi_get_table_with_size(ACPI_SIG_DMAR, 0,
+ (struct acpi_table_header **)&dmar_tbl,
+ &dmar_tbl_size);
if (ACPI_SUCCESS(status) && !dmar_tbl) {
printk (KERN_WARNING PREFIX "Unable to map DMAR\n");
--
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