ia64: Update defconfig. Add missing include to <asm-ia64/tlb.h>. Fix

	compiler warning in perfmon.c.

arch/ia64/kernel/perfmon.c

@@ -639,7 +639,7 @@ pfm_get_unmapped_area(struct file *file, unsigned long addr, unsigned long len,
 
 
 static struct super_block *
-pfmfs_get_sb(struct file_system_type *fs_type, int flags, char *dev_name, void *data)
+pfmfs_get_sb(struct file_system_type *fs_type, int flags, const char *dev_name, void *data)
 {
 	return get_sb_pseudo(fs_type, "pfm:", NULL, PFMFS_MAGIC);
 }

include/asm-ia64/tlb.h

@@ -39,6 +39,7 @@
  */
 #include <linux/config.h>
 #include <linux/mm.h>
+#include <linux/swap.h>
 
 #include <asm/processor.h>
 #include <asm/tlbflush.h>