1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * This file is subject to the terms and conditions of the GNU General Public
3*4882a593Smuzhiyun * License. See the file "COPYING" in the main directory of this archive
4*4882a593Smuzhiyun * for more details.
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * Copyright (C) 1994 - 2001, 2003 by Ralf Baechle
7*4882a593Smuzhiyun * Copyright (C) 1999, 2000, 2001 Silicon Graphics, Inc.
8*4882a593Smuzhiyun */
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun #ifndef _ASM_NIOS2_PGALLOC_H
11*4882a593Smuzhiyun #define _ASM_NIOS2_PGALLOC_H
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun #include <linux/mm.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #include <asm-generic/pgalloc.h>
16*4882a593Smuzhiyun
pmd_populate_kernel(struct mm_struct * mm,pmd_t * pmd,pte_t * pte)17*4882a593Smuzhiyun static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
18*4882a593Smuzhiyun pte_t *pte)
19*4882a593Smuzhiyun {
20*4882a593Smuzhiyun set_pmd(pmd, __pmd((unsigned long)pte));
21*4882a593Smuzhiyun }
22*4882a593Smuzhiyun
pmd_populate(struct mm_struct * mm,pmd_t * pmd,pgtable_t pte)23*4882a593Smuzhiyun static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
24*4882a593Smuzhiyun pgtable_t pte)
25*4882a593Smuzhiyun {
26*4882a593Smuzhiyun set_pmd(pmd, __pmd((unsigned long)page_address(pte)));
27*4882a593Smuzhiyun }
28*4882a593Smuzhiyun #define pmd_pgtable(pmd) pmd_page(pmd)
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun /*
31*4882a593Smuzhiyun * Initialize a new pmd table with invalid pointers.
32*4882a593Smuzhiyun */
33*4882a593Smuzhiyun extern void pmd_init(unsigned long page, unsigned long pagetable);
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun extern pgd_t *pgd_alloc(struct mm_struct *mm);
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun #define __pte_free_tlb(tlb, pte, addr) \
38*4882a593Smuzhiyun do { \
39*4882a593Smuzhiyun pgtable_pte_page_dtor(pte); \
40*4882a593Smuzhiyun tlb_remove_page((tlb), (pte)); \
41*4882a593Smuzhiyun } while (0)
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun #endif /* _ASM_NIOS2_PGALLOC_H */
44