12 extern int arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
34 		int prot, int pkey);
36 		int prot, int pkey)  in arch_override_mprotect_pkey()  argument
41 	return __arch_override_mprotect_pkey(vma, prot, pkey);  in arch_override_mprotect_pkey()
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
62 	if (pkey < 0)  in mm_pkey_is_allocated()
64 	if (pkey >= arch_max_pkey())  in mm_pkey_is_allocated()
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()
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()