18 	pr_err("%s:%d: bad pmd %p(%016Lx)\n",				\
46  * because GCC will not read the 64-bit value of the pmd atomically.
50  * function to know if the pmd is null or not, and in turn to know if
51  * they can run pte_offset_map_lock() or pmd_trans_huge() or other pmd
54  * Without THP if the mmap_lock is held for reading, the pmd can only
56  * we can always return atomic pmd values with this function.
58  * With THP if the mmap_lock is held for reading, the pmd can become
65  * 'none' (zero) pmdval if the low part of the pmd is zero.
71  * needs the low part of the pmd to be read atomically to decide if the
72  * pmd is unstable or not, with the only exception when the low part
73  * of the pmd is zero, in which case we return a 'none' pmd.
84 		 * or we can end up with a partial pmd.  in pmd_read_atomic()
98 static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd)  in native_set_pmd()  argument
100 	set_64bit((unsigned long long *)(pmdp), native_pmd_val(pmd));  in native_set_pmd()
124 static inline void native_pmd_clear(pmd_t *pmd)  in native_pmd_clear()  argument
126 	u32 *tmp = (u32 *)pmd;  in native_pmd_clear()
170 	pmd_t pmd;  member
183 	return res.pmd;  in native_pmdp_get_and_clear()
192 		unsigned long address, pmd_t *pmdp, pmd_t pmd)  in pmdp_establish()
197 	 * If pmd has present bit cleared we can get away without expensive  in pmdp_establish()
201 	if (!(pmd_val(pmd) & _PAGE_PRESENT)) {  in pmdp_establish()
206 		new.pmd = pmd;  in pmdp_establish()
212 		return old.pmd;  in pmdp_establish()
217 	} while (cmpxchg64(&pmdp->pmd, old.pmd, pmd.pmd) != old.pmd);  in pmdp_establish()