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Diffstat (limited to 'arch')
-rw-r--r--arch/x86/mm/fault_32.c4
-rw-r--r--arch/x86/mm/fault_64.c11
2 files changed, 14 insertions, 1 deletions
diff --git a/arch/x86/mm/fault_32.c b/arch/x86/mm/fault_32.c
index 276863dc4bd..93ede2dde95 100644
--- a/arch/x86/mm/fault_32.c
+++ b/arch/x86/mm/fault_32.c
@@ -475,14 +475,16 @@ good_area:
else
tsk->min_flt++;
+#ifdef CONFIG_X86_32
/*
* Did it hit the DOS screen memory VA from vm86 mode?
*/
- if (regs->flags & VM_MASK) {
+ if (v8086_mode(regs)) {
unsigned long bit = (address - 0xA0000) >> PAGE_SHIFT;
if (bit < 32)
tsk->thread.screen_bitmap |= 1 << bit;
}
+#endif
up_read(&mm->mmap_sem);
return;
diff --git a/arch/x86/mm/fault_64.c b/arch/x86/mm/fault_64.c
index 9ef0306efe9..2d9e6da2cb3 100644
--- a/arch/x86/mm/fault_64.c
+++ b/arch/x86/mm/fault_64.c
@@ -514,6 +514,17 @@ good_area:
tsk->maj_flt++;
else
tsk->min_flt++;
+
+#ifdef CONFIG_X86_32
+ /*
+ * Did it hit the DOS screen memory VA from vm86 mode?
+ */
+ if (v8086_mode(regs)) {
+ unsigned long bit = (address - 0xA0000) >> PAGE_SHIFT;
+ if (bit < 32)
+ tsk->thread.screen_bitmap |= 1 << bit;
+ }
+#endif
up_read(&mm->mmap_sem);
return;