um: Remove broken highmem support

Highmem was always buggy and experimental on UML(i386).
In times where 64 bit computers are default we can
remove that experimental code.

Signed-off-by: Richard Weinberger <richard@nod.at>

2 files changed, 1 insertions, 9 deletions

diff --git a/arch/um/include/asm/fixmap.h b/arch/um/include/asm/fixmap.h
index 3094ea3c73b0..1761fd75bf13 100644
--- a/arch/um/include/asm/fixmap.h
+++ b/arch/um/include/asm/fixmap.h
@@ -33,10 +33,6 @@
  * fix-mapped?
  */
 enum fixed_addresses {
-#ifdef CONFIG_HIGHMEM
-        FIX_KMAP_BEGIN, /* reserved pte's for temporary kernel mappings */
-        FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1,
-#endif
         __end_of_fixed_addresses
 };
 
diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h
index 2324b624f195..18eb9924dda3 100644
--- a/arch/um/include/asm/pgtable.h
+++ b/arch/um/include/asm/pgtable.h
@@ -47,11 +47,7 @@ extern unsigned long end_iomem;
 #define VMALLOC_OFFSET  (__va_space)
 #define VMALLOC_START ((end_iomem + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))
 #define PKMAP_BASE ((FIXADDR_START - LAST_PKMAP * PAGE_SIZE) & PMD_MASK)
-#ifdef CONFIG_HIGHMEM
-# define VMALLOC_END    (PKMAP_BASE-2*PAGE_SIZE)
-#else
-# define VMALLOC_END    (FIXADDR_START-2*PAGE_SIZE)
-#endif
+#define VMALLOC_END     (FIXADDR_START-2*PAGE_SIZE)
 #define MODULES_VADDR   VMALLOC_START
 #define MODULES_END     VMALLOC_END
 #define MODULES_LEN     (MODULES_VADDR - MODULES_END)