52 #define mm_pkey_allocation_map(mm) (mm->context.pkey_allocation_map)  argument
54 #define __mm_pkey_allocated(mm, pkey) {	\  argument
55 	mm_pkey_allocation_map(mm) |= pkey_alloc_mask(pkey); \
58 #define __mm_pkey_free(mm, pkey) {	\  argument
59 	mm_pkey_allocation_map(mm) &= ~pkey_alloc_mask(pkey);	\
62 #define __mm_pkey_is_allocated(mm, pkey)	\  argument
63 	(mm_pkey_allocation_map(mm) & pkey_alloc_mask(pkey))
68 static inline bool mm_pkey_is_allocated(struct mm_struct *mm, int pkey)  in mm_pkey_is_allocated()  argument
77 	return __mm_pkey_is_allocated(mm, pkey);  in mm_pkey_is_allocated()
81  * Returns a positive, 5-bit key on success, or -1 on failure.
85 static inline int mm_pkey_alloc(struct mm_struct *mm)  in mm_pkey_alloc()  argument
101 	if (mm_pkey_allocation_map(mm) == all_pkeys_mask)  in mm_pkey_alloc()
104 	ret = ffz((u32)mm_pkey_allocation_map(mm));  in mm_pkey_alloc()
105 	__mm_pkey_allocated(mm, ret);  in mm_pkey_alloc()
110 static inline int mm_pkey_free(struct mm_struct *mm, int pkey)  in mm_pkey_free()  argument
115 	if (!mm_pkey_is_allocated(mm, pkey))  in mm_pkey_free()
118 	__mm_pkey_free(mm, pkey);  in mm_pkey_free()
127 extern int execute_only_pkey(struct mm_struct *mm);
171 extern void pkey_mm_init(struct mm_struct *mm);