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/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1994 - 2001, 2003 by Ralf Baechle
* Copyright (C) 1999, 2000, 2001 Silicon Graphics, Inc.
*/
#ifndef _ASM_NIOS2_PGALLOC_H
#define _ASM_NIOS2_PGALLOC_H
#include <linux/mm.h>
#include <asm-generic/pgalloc.h> /* for pte_{alloc,free}_one */
static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
pte_t *pte)
{
set_pmd(pmd, __pmd((unsigned long)pte));
}
static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
pgtable_t pte)
{
set_pmd(pmd, __pmd((unsigned long)page_address(pte)));
}
#define pmd_pgtable(pmd) pmd_page(pmd)
/*
* Initialize a new pmd table with invalid pointers.
*/
extern void pmd_init(unsigned long page, unsigned long pagetable);
extern pgd_t *pgd_alloc(struct mm_struct *mm);
static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
{
free_pages((unsigned long)pgd, PGD_ORDER);
}
#define __pte_free_tlb(tlb, pte, addr) \
do { \
pgtable_pte_page_dtor(pte); \
tlb_remove_page((tlb), (pte)); \
} while (0)
#endif /* _ASM_NIOS2_PGALLOC_H */
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