x86: add _PAGE_IOMAP pte flag for IO mappings

[linux-2.6-omap-h63xx.git] / arch / x86 / mm / init_64.c

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 83e13f2d53d2a94d95f3e4657eb570ea784c4a72..dec5c775e92b14208b3010c0744950c5b912ac0c 100644 (file)
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -31,6 +31,7 @@
 #include <linux/nmi.h>
 
 #include <asm/processor.h>
+#include <asm/bios_ebda.h>
 #include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
@@ -88,7 +89,7 @@ early_param("gbpages", parse_direct_gbpages_on);
 
 int after_bootmem;
 
-unsigned long __supported_pte_mask __read_mostly = ~0UL;
+pteval_t __supported_pte_mask __read_mostly = ~_PAGE_IOMAP;
 EXPORT_SYMBOL_GPL(__supported_pte_mask);
 
 static int do_not_nx __cpuinitdata;
@@ -881,6 +882,8 @@ void __init mem_init(void)
 {
        long codesize, reservedpages, datasize, initsize;
 
+       start_periodic_check_for_corruption();
+
        pci_iommu_alloc();
 
        /* clear_bss() already clear the empty_zero_page */