49 static int madvise_need_mmap_write(int behavior)  in madvise_need_mmap_write()  argument
51 	switch (behavior) {  in madvise_need_mmap_write()
778 				  int behavior)  in madvise_dontneed_free()  argument
825 	if (behavior == MADV_DONTNEED)  in madvise_dontneed_free()
827 	else if (behavior == MADV_FREE)  in madvise_dontneed_free()
883  * Apply an madvise behavior to a region of a vma.  madvise_update_vma
885  * behavior.
890 				unsigned long behavior)  in madvise_vma_behavior()  argument
896 	switch (behavior) {  in madvise_vma_behavior()
907 		return madvise_dontneed_free(vma, prev, start, end, behavior);  in madvise_vma_behavior()
944 		error = ksm_madvise(vma, start, end, behavior, &new_flags);  in madvise_vma_behavior()
950 		error = hugepage_madvise(vma, &new_flags, behavior);  in madvise_vma_behavior()
976 static int madvise_inject_error(int behavior,  in madvise_inject_error()  argument
1003 		if (behavior == MADV_SOFT_OFFLINE) {  in madvise_inject_error()
1026 madvise_behavior_valid(int behavior)  in madvise_behavior_valid()  argument
1028 	switch (behavior) {  in madvise_behavior_valid()
1064 process_madvise_behavior_valid(int behavior)  in process_madvise_behavior_valid()  argument
1066 	switch (behavior) {  in process_madvise_behavior_valid()
1200  * behavior values:
1201  *  MADV_NORMAL - the default behavior is to read clusters.  This
1247  *		"behavior" is not a valid value, or application
1257 int do_madvise(struct mm_struct *mm, unsigned long start, size_t len_in, int behavior)  in do_madvise()  argument
1267 	if (!madvise_behavior_valid(behavior))  in do_madvise()
1286 	if (behavior == MADV_HWPOISON || behavior == MADV_SOFT_OFFLINE)  in do_madvise()
1287 		return madvise_inject_error(behavior, start, start + len_in);  in do_madvise()
1290 	write = madvise_need_mmap_write(behavior);  in do_madvise()
1299 	error = madvise_walk_vmas(mm, start, end, behavior,  in do_madvise()
1310 SYSCALL_DEFINE3(madvise, unsigned long, start, size_t, len_in, int, behavior)  in SYSCALL_DEFINE3()  argument
1312 	return do_madvise(current->mm, start, len_in, behavior);  in SYSCALL_DEFINE3()
1316 		size_t, vlen, int, behavior, unsigned int, flags)  in SYSCALL_DEFINE5()  argument
1349 	if (!process_madvise_behavior_valid(behavior)) {  in SYSCALL_DEFINE5()
1375 					iovec.iov_len, behavior);  in SYSCALL_DEFINE5()