include/asm/pgtable.h

27 	pr_err("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, (e).pte_low)
36 #define pte_none(pte)		(!(pte_val(pte) & ~_PAGE_GLOBAL))
37 #define pte_present(pte)	(pte_val(pte) & _PAGE_PRESENT)
42 #define __pte_to_swp_entry(pte)		((swp_entry_t) { pte_val(pte) })
85 static inline void set_pte(pte_t *p, pte_t pte)
87 	*p = pte;
141 static inline int pte_read(pte_t pte)
143 	return pte.pte_low & _PAGE_READ;
146 static inline int pte_write(pte_t pte)
148 	return (pte).pte_low & _PAGE_WRITE;
151 static inline int pte_dirty(pte_t pte)
153 	return (pte).pte_low & _PAGE_MODIFIED;
156 static inline int pte_young(pte_t pte)
158 	return (pte).pte_low & _PAGE_ACCESSED;
161 static inline pte_t pte_wrprotect(pte_t pte)
163 	pte_val(pte) &= ~(_PAGE_WRITE | _PAGE_DIRTY);
164 	return pte;
167 static inline pte_t pte_mkclean(pte_t pte)
169 	pte_val(pte) &= ~(_PAGE_MODIFIED|_PAGE_DIRTY);
170 	return pte;
173 static inline pte_t pte_mkold(pte_t pte)
175 	pte_val(pte) &= ~(_PAGE_ACCESSED|_PAGE_VALID);
176 	return pte;
179 static inline pte_t pte_mkwrite_novma(pte_t pte)
181 	pte_val(pte) |= _PAGE_WRITE;
182 	if (pte_val(pte) & _PAGE_MODIFIED)
183 		pte_val(pte) |= _PAGE_DIRTY;
184 	return pte;
187 static inline pte_t pte_mkdirty(pte_t pte)
189 	pte_val(pte) |= _PAGE_MODIFIED;
190 	if (pte_val(pte) & _PAGE_WRITE)
191 		pte_val(pte) |= _PAGE_DIRTY;
192 	return pte;
195 static inline pte_t pte_mkyoung(pte_t pte)
197 	pte_val(pte) |= _PAGE_ACCESSED;
198 	if (pte_val(pte) & _PAGE_READ)
199 		pte_val(pte) |= _PAGE_VALID;
200 	return pte;
203 static inline int pte_swp_exclusive(pte_t pte)
205 	return pte_val(pte) & _PAGE_SWP_EXCLUSIVE;
208 static inline pte_t pte_swp_mkexclusive(pte_t pte)
210 	pte_val(pte) |= _PAGE_SWP_EXCLUSIVE;
211 	return pte;
214 static inline pte_t pte_swp_clear_exclusive(pte_t pte)
216 	pte_val(pte) &= ~_PAGE_SWP_EXCLUSIVE;
217 	return pte;
257 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
259 	return __pte((pte_val(pte) & _PAGE_CHG_MASK) |
267 		unsigned long address, pte_t *pte, unsigned int nr);