sparc: remove unnecessary includes

linux/highmem.h has not been needed for the pte_offset_map => kmap_atomic
use in sparc for some time (~2002)

Remove this include.

Suggested-by: Al Viro <[email protected]>
Signed-off-by: Ira Weiny <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Christian König <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: Chris Zankel <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: Dan Williams <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Helge Deller <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: "James E.J. Bottomley" <[email protected]>
Cc: Max Filippov <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Bogendoerfer <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Linus Torvalds <[email protected]>

arch/sparc/mm/io-unit.c

@@ -10,7 +10,6 @@
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/mm.h>
-#include <linux/highmem.h>	/* pte_offset_map => kmap_atomic */
 #include <linux/bitops.h>
 #include <linux/dma-mapping.h>
 #include <linux/of.h>

arch/sparc/mm/iommu.c

@@ -12,7 +12,6 @@
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/slab.h>
-#include <linux/highmem.h>	/* pte_offset_map => kmap_atomic */
 #include <linux/dma-mapping.h>
 #include <linux/of.h>
 #include <linux/of_device.h>