Typo fixes in comments and variable names.

kern/env.c

@@ -53,7 +53,7 @@ grub_env_hashval (const char *s)
 {
   unsigned int i = 0;
 
-  /* XXX: This can be done much more effecient.  */
+  /* XXX: This can be done much more efficiently.  */
   while (*s)
     i += 5 * *(s++);
 

kern/i386/pc/startup.S

@@ -1089,7 +1089,7 @@ xsmap:
  * character and the attribute, and restore the current position.
  *
  * The reason why this is so complicated is that there is no easy way to
- * get the height of the screen, and the TELETYPE OUPUT BIOS call doesn't
+ * get the height of the screen, and the TELETYPE OUTPUT BIOS call doesn't
  * support setting a background attribute.
  */
 FUNCTION(grub_console_real_putchar)

kern/misc.c

@@ -576,7 +576,7 @@ grub_divmod64 (grub_uint64_t n, grub_uint32_t d, grub_uint32_t *r)
   unsigned long long q = 0;
   unsigned m = 0;
 
-  /* Skip the slow computation, if 32-bit arithmetics are possible.  */
+  /* Skip the slow computation if 32-bit arithmetic is possible.  */
   if (n < 0xffffffff)
     {
       if (r)

kern/mm.c

@@ -164,7 +164,7 @@ grub_mm_init_region (void *addr, grub_size_t size)
   r->size = (h->size << GRUB_MM_ALIGN_LOG2);
 
   /* Find where to insert this region. Put a smaller one before bigger ones,
-     to prevent fragmentations.  */
+     to prevent fragmentation.  */
   for (p = &base, q = *p; q; p = &(q->next), q = *p)
     if (q->size > r->size)
       break;

kern/powerpc/ieee1275/cmain.c

@@ -88,7 +88,7 @@ grub_ieee1275_find_options (void)
 	     3rd party updates which fix the partition bugs are common, and for
 	     some reason their fixes aren't being merged into trunk.  So for
 	     example we know that 1.2 and 1.3 are broken, but there's 1.2.99
-	     and 1.3.99 which are known good (and appliing this workaround
+	     and 1.3.99 which are known good (and applying this workaround
 	     would cause breakage). */
 	  if (!grub_strcmp (tmp, "1.0")
 	      || !grub_strcmp (tmp, "1.1")

kern/powerpc/ieee1275/openfw.c

@@ -1,4 +1,4 @@
-/*  openfw.c -- Open firmware support funtions.  */
+/*  openfw.c -- Open firmware support functions.  */
 /*
  *  GRUB  --  GRand Unified Bootloader
  *  Copyright (C) 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
@@ -159,7 +159,7 @@ grub_err_t grub_available_iterate (int (*hook) (grub_uint64_t, grub_uint64_t))
   if (grub_ieee1275_get_property (memory, "available", available,
 				  sizeof available, 0))
     return grub_error (GRUB_ERR_UNKNOWN_DEVICE,
-		       "Couldn't examine /memory/available propery");
+		       "Couldn't examine /memory/available property");
 
   /* Decode each entry and call `hook'.  */
   i = 0;

kern/sparc64/ieee1275/openfw.c

@@ -1,4 +1,4 @@
-/*  openfw.c -- Open firmware support funtions.  */
+/*  openfw.c -- Open firmware support functions.  */
 /*
  *  GRUB  --  GRand Unified Bootloader
  *  Copyright (C) 2003,2004,2005,2007  Free Software Foundation, Inc.