diff --git a/[refs] b/[refs]
index f11ffd92e1cf..db7dc60a53e1 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a714ffff36a581756ec3b001f47e8e5e96a9fa0e
+refs/heads/master: 51bcdf8879f7920946c90087e6160680812a44bd
diff --git a/trunk/arch/tile/kernel/setup.c b/trunk/arch/tile/kernel/setup.c
index 5f85d8b34dbb..023e2e1cf7f8 100644
--- a/trunk/arch/tile/kernel/setup.c
+++ b/trunk/arch/tile/kernel/setup.c
@@ -913,6 +913,13 @@ void __cpuinit setup_cpu(int boot)
 
 #ifdef CONFIG_BLK_DEV_INITRD
 
+/*
+ * Note that the kernel can potentially support other compression
+ * techniques than gz, though we don't do so by default.  If we ever
+ * decide to do so we can either look for other filename extensions,
+ * or just allow a file with this name to be compressed with an
+ * arbitrary compressor (somewhat counterintuitively).
+ */
 static int __initdata set_initramfs_file;
 static char __initdata initramfs_file[128] = "initramfs.cpio.gz";
 
@@ -928,9 +935,9 @@ static int __init setup_initramfs_file(char *str)
 early_param("initramfs_file", setup_initramfs_file);
 
 /*
- * We look for an additional "initramfs.cpio.gz" file in the hvfs.
+ * We look for an "initramfs.cpio.gz" file in the hvfs.
  * If there is one, we allocate some memory for it and it will be
- * unpacked to the initramfs after any built-in initramfs_data.
+ * unpacked to the initramfs.
  */
 static void __init load_hv_initrd(void)
 {
diff --git a/trunk/arch/tile/mm/fault.c b/trunk/arch/tile/mm/fault.c
index cba30e9547b4..cac17c4f2ecf 100644
--- a/trunk/arch/tile/mm/fault.c
+++ b/trunk/arch/tile/mm/fault.c
@@ -130,7 +130,7 @@ static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address)
 }
 
 /*
- * Handle a fault on the vmalloc or module mapping area
+ * Handle a fault on the vmalloc area.
  */
 static inline int vmalloc_fault(pgd_t *pgd, unsigned long address)
 {