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#ifndef _PPC64_PGALLOC_H
#define _PPC64_PGALLOC_H
#include <linux/mm.h>
#include <asm/processor.h>
/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
static inline pgd_t *
pgd_alloc(struct mm_struct *mm)
{
pgd_t *pgd = (pgd_t *)__get_free_page(GFP_KERNEL);
if (pgd != NULL)
clear_page(pgd);
return pgd;
}
static inline void
pgd_free(pgd_t *pgd)
{
free_page((unsigned long)pgd);
}
#define pgd_populate(MM, PGD, PMD) pgd_set(PGD, PMD)
static inline pmd_t *
pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
{
pmd_t *pmd;
pmd = (pmd_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT);
if (pmd)
clear_page(pmd);
return pmd;
}
static inline void
pmd_free(pmd_t *pmd)
{
free_page((unsigned long)pmd);
}
#define __pmd_free_tlb(tlb, pmd) pmd_free(pmd)
#define pmd_populate_kernel(mm, pmd, pte) pmd_set(pmd, pte)
#define pmd_populate(mm, pmd, pte_page) \
pmd_populate_kernel(mm, pmd, page_address(pte_page))
static inline pte_t *
pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr)
{
pte_t *pte;
pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_REPEAT);
if (pte)
clear_page(pte);
return pte;
}
static inline struct page *
pte_alloc_one(struct mm_struct *mm, unsigned long address)
{
pte_t *pte = pte_alloc_one_kernel(mm, address);
if (pte)
return virt_to_page(pte);
return NULL;
}
static inline void
pte_free_kernel(pte_t *pte)
{
free_page((unsigned long)pte);
}
#define pte_free(pte_page) pte_free_kernel(page_address(pte_page))
#define __pte_free_tlb(tlb, pte) pte_free(pte)
#define check_pgt_cache() do { } while (0)
#endif /* _PPC64_PGALLOC_H */
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