2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
6 * Copyright (C) 1999, 2000 by Silicon Graphics
7 * Copyright (C) 2003 by Ralf Baechle
9 #include <linux/init.h>
11 #include <asm/fixmap.h>
12 #include <asm/pgtable.h>
13 #include <asm/pgalloc.h>
15 void pgd_init(unsigned long page)
17 unsigned long *p, *end;
20 #ifdef __PAGETABLE_PMD_FOLDED
21 entry = (unsigned long)invalid_pte_table;
23 entry = (unsigned long)invalid_pmd_table;
26 p = (unsigned long *) page;
27 end = p + PTRS_PER_PGD;
42 #ifndef __PAGETABLE_PMD_FOLDED
43 void pmd_init(unsigned long addr, unsigned long pagetable)
45 unsigned long *p, *end;
47 p = (unsigned long *) addr;
48 end = p + PTRS_PER_PMD;
64 void __init pagetable_init(void)
69 /* Initialize the entire pgd. */
70 pgd_init((unsigned long)swapper_pg_dir);
71 #ifndef __PAGETABLE_PMD_FOLDED
72 pmd_init((unsigned long)invalid_pmd_table, (unsigned long)invalid_pte_table);
74 pgd_base = swapper_pg_dir;
78 vaddr = __fix_to_virt(__end_of_fixed_addresses - 1) & PMD_MASK;
79 fixrange_init(vaddr, 0, pgd_base);