diff --git a/[refs] b/[refs]
index 6ee16e2389f3..77a6be39d477 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3975afffd32b84c0ad6797debe5abd179f44a698
+refs/heads/master: e4b05d4097eb6dab08bda86a72f6fdfdd9816395
diff --git a/trunk/include/asm-ia64/pgtable.h b/trunk/include/asm-ia64/pgtable.h
index e6204f14f614..ed70862ea247 100644
--- a/trunk/include/asm-ia64/pgtable.h
+++ b/trunk/include/asm-ia64/pgtable.h
@@ -371,7 +371,7 @@ pgd_index (unsigned long address)
 /* The offset in the 1-level directory is given by the 3 region bits
    (61..63) and the level-1 bits.  */
 static inline pgd_t*
-pgd_offset (struct mm_struct *mm, unsigned long address)
+pgd_offset (const struct mm_struct *mm, unsigned long address)
 {
 	return mm->pgd + pgd_index(address);
 }