21 extern int __execute_only_pkey(struct mm_struct *mm);
22 static inline int execute_only_pkey(struct mm_struct *mm)  in execute_only_pkey()  argument
27 	return __execute_only_pkey(mm);  in execute_only_pkey()
46 #define mm_pkey_allocation_map(mm)	(mm->context.pkey_allocation_map)  argument
47 #define mm_set_pkey_allocated(mm, pkey) do {		\  argument
48 	mm_pkey_allocation_map(mm) |= (1U << pkey);	\
50 #define mm_set_pkey_free(mm, pkey) do {			\  argument
51 	mm_pkey_allocation_map(mm) &= ~(1U << pkey);	\
55 bool mm_pkey_is_allocated(struct mm_struct *mm, int pkey)  in mm_pkey_is_allocated()  argument
71 	if (pkey == mm->context.execute_only_pkey)  in mm_pkey_is_allocated()
74 	return mm_pkey_allocation_map(mm) & (1U << pkey);  in mm_pkey_is_allocated()
81 int mm_pkey_alloc(struct mm_struct *mm)  in mm_pkey_alloc()  argument
97 	if (mm_pkey_allocation_map(mm) == all_pkeys_mask)  in mm_pkey_alloc()
100 	ret = ffz(mm_pkey_allocation_map(mm));  in mm_pkey_alloc()
102 	mm_set_pkey_allocated(mm, ret);  in mm_pkey_alloc()
108 int mm_pkey_free(struct mm_struct *mm, int pkey)  in mm_pkey_free()  argument
110 	if (!mm_pkey_is_allocated(mm, pkey))  in mm_pkey_free()
113 	mm_set_pkey_free(mm, pkey);  in mm_pkey_free()