x86: Make memtype_seq_ops const

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c
index e6718bb..e2900a3 100644
--- a/arch/x86/mm/pat.c
+++ b/arch/x86/mm/pat.c
@@ -826,7 +826,7 @@
 	return 0;
 }
 
-static struct seq_operations memtype_seq_ops = {
+static const struct seq_operations memtype_seq_ops = {
 	.start = memtype_seq_start,
 	.next  = memtype_seq_next,
 	.stop  = memtype_seq_stop,