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#ifndef _ASM_GENERIC_PGTABLE_H
#define _ASM_GENERIC_PGTABLE_H
static inline int ptep_test_and_clear_young(pte_t *ptep)
{
pte_t pte = *ptep;
if (!pte_young(pte))
return 0;
set_pte(ptep, pte_mkold(pte));
return 1;
}
static inline int ptep_test_and_clear_dirty(pte_t *ptep)
{
pte_t pte = *ptep;
if (!pte_dirty(pte))
return 0;
set_pte(ptep, pte_mkclean(pte));
return 1;
}
static inline pte_t ptep_get_and_clear(pte_t *ptep)
{
pte_t pte = *ptep;
pte_clear(ptep);
return pte;
}
static inline void ptep_set_wrprotect(pte_t *ptep)
{
pte_t old_pte = *ptep;
set_pte(ptep, pte_wrprotect(old_pte));
}
static inline void ptep_mkdirty(pte_t *ptep)
{
pte_t old_pte = *ptep;
set_pte(ptep, pte_mkdirty(old_pte));
}
#define pte_same(A,B) (pte_val(A) == pte_val(B))
#endif /* _ASM_GENERIC_PGTABLE_H */