Fix compilation, and bring 32/64 bit variants more in line.

Signed-off-by: Thiemo Seufer <ths@networkno.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

include/asm-mips/pgtable-32.h

@@ -43,10 +43,6 @@ extern int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1,
  * works even with the cache aliasing problem the R4k and above have.
  */
 
-/* PMD_SHIFT determines the size of the area a second-level page table can map */
-#define PMD_SIZE	(1UL << PMD_SHIFT)
-#define PMD_MASK	(~(PMD_SIZE-1))
-
 /* PGDIR_SHIFT determines what a third-level page table entry can map */
 #ifdef CONFIG_64BIT_PHYS_ADDR
 #define PGDIR_SHIFT	21
@@ -78,7 +74,7 @@ extern int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1,
 #define USER_PTRS_PER_PGD	(0x80000000UL/PGDIR_SIZE)
 #define FIRST_USER_ADDRESS	0
 
-#define VMALLOC_START     KSEG2
+#define VMALLOC_START     MAP_BASE
 
 #ifdef CONFIG_HIGHMEM
 # define VMALLOC_END	(PKMAP_BASE-2*PAGE_SIZE)
@@ -146,12 +142,13 @@ pfn_pte(unsigned long pfn, pgprot_t prot)
 #endif /* defined(CONFIG_64BIT_PHYS_ADDR) && defined(CONFIG_CPU_MIPS32) */
 
 #define __pgd_offset(address)	pgd_index(address)
+#define __pud_offset(address)	(((address) >> PUD_SHIFT) & (PTRS_PER_PUD-1))
 #define __pmd_offset(address)	(((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1))
 
 /* to find an entry in a kernel page-table-directory */
 #define pgd_offset_k(address) pgd_offset(&init_mm, address)
 
-#define pgd_index(address)	((address) >> PGDIR_SHIFT)
+#define pgd_index(address)	(((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
 
 /* to find an entry in a page-table-directory */
 #define pgd_offset(mm,addr)	((mm)->pgd + pgd_index(addr))

include/asm-mips/pgtable-64.h

@@ -59,7 +59,7 @@
  * two levels would be easy to implement.
  *
  * For 16kB page size we use a 2 level page tree which permits a total of
- * 36 bits of virtual address space.  We could add a third leve. but it seems
+ * 36 bits of virtual address space.  We could add a third level but it seems
  * like at the moment there's no need for this.
  *
  * For 64kB page size we use a 2 level page table tree for a total of 42 bits
@@ -97,7 +97,7 @@
 #define USER_PTRS_PER_PGD	(TASK_SIZE / PGDIR_SIZE)
 #define FIRST_USER_ADDRESS	0
 
-#define VMALLOC_START		XKSEG
+#define VMALLOC_START		MAP_BASE
 #define VMALLOC_END	\
 	(VMALLOC_START + PTRS_PER_PGD * PTRS_PER_PMD * PTRS_PER_PTE * PAGE_SIZE)
 
@@ -134,7 +134,7 @@ static inline void pmd_clear(pmd_t *pmdp)
 }
 
 /*
- * Empty pgd entries point to the invalid_pmd_table.
+ * Empty pud entries point to the invalid_pmd_table.
  */
 static inline int pud_none(pud_t pud)
 {
@@ -166,6 +166,7 @@ static inline void pud_clear(pud_t *pudp)
 #endif
 
 #define __pgd_offset(address)	pgd_index(address)
+#define __pud_offset(address)	(((address) >> PUD_SHIFT) & (PTRS_PER_PUD-1))
 #define page_pte(page) page_pte_prot(page, __pgprot(0))
 
 /* to find an entry in a kernel page-table-directory */