This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / asm-generic / 4level-fixup.h

diff --git a/include/asm-generic/4level-fixup.h b/include/asm-generic/4level-fixup.h
new file mode 100644 (file)
index 0000000..0267574
--- /dev/null
+++ b/include/asm-generic/4level-fixup.h
@@ -0,0 +1,34 @@
+#ifndef _4LEVEL_FIXUP_H
+#define _4LEVEL_FIXUP_H
+
+#define __ARCH_HAS_4LEVEL_HACK
+
+#define PUD_SIZE                       PGDIR_SIZE
+#define PUD_MASK                       PGDIR_MASK
+#define PTRS_PER_PUD                   1
+
+#define pud_t                          pgd_t
+
+#define pmd_alloc(mm, pud, address)                    \
+({     pmd_t *ret;                                     \
+       if (pgd_none(*pud))                             \
+               ret = __pmd_alloc(mm, pud, address);    \
+       else                                            \
+               ret = pmd_offset(pud, address);         \
+       ret;                                            \
+})
+
+#define pud_alloc(mm, pgd, address)    (pgd)
+#define pud_offset(pgd, start)         (pgd)
+#define pud_none(pud)                  0
+#define pud_bad(pud)                   0
+#define pud_present(pud)               1
+#define pud_ERROR(pud)                 do { } while (0)
+#define pud_clear(pud)                 pgd_clear(pud)
+
+#undef pud_free_tlb
+#define pud_free_tlb(tlb, x)            do { } while (0)
+#define pud_free(x)                    do { } while (0)
+#define __pud_free_tlb(tlb, x)         do { } while (0)
+
+#endif