2279 		unsigned long start, unsigned long end,  in prctl_update_vma_anon_name()  argument
2291 	pgoff = vma->vm_pgoff + ((start - vma->vm_start) >> PAGE_SHIFT);  in prctl_update_vma_anon_name()
2292 	*prev = vma_merge(mm, *prev, start, end, vma->vm_flags, vma->anon_vma,  in prctl_update_vma_anon_name()
2302 	if (start != vma->vm_start) {  in prctl_update_vma_anon_name()
2303 		error = split_vma(mm, vma, start, 1);  in prctl_update_vma_anon_name()
2324 static int prctl_set_vma_anon_name(unsigned long start, unsigned long end,  in prctl_set_vma_anon_name()  argument
2337 	vma = find_vma_prev(current->mm, start, &prev);  in prctl_set_vma_anon_name()
2338 	if (vma && start > vma->vm_start)  in prctl_set_vma_anon_name()
2348 		if (start < vma->vm_start) {  in prctl_set_vma_anon_name()
2350 			start = vma->vm_start;  in prctl_set_vma_anon_name()
2351 			if (start >= end)  in prctl_set_vma_anon_name()
2361 		error = prctl_update_vma_anon_name(vma, &prev, start, tmp,  in prctl_set_vma_anon_name()
2365 		start = tmp;  in prctl_set_vma_anon_name()
2366 		if (prev && start < prev->vm_end)  in prctl_set_vma_anon_name()
2367 			start = prev->vm_end;  in prctl_set_vma_anon_name()
2369 		if (start >= end)  in prctl_set_vma_anon_name()
2374 			vma = find_vma(current->mm, start);  in prctl_set_vma_anon_name()
2378 static int prctl_set_vma(unsigned long opt, unsigned long start,  in prctl_set_vma()  argument
2386 	if (start & ~PAGE_MASK)  in prctl_set_vma()
2394 	end = start + len;  in prctl_set_vma()
2395 	if (end < start)  in prctl_set_vma()
2398 	if (end == start)  in prctl_set_vma()
2405 		error = prctl_set_vma_anon_name(start, end, arg);  in prctl_set_vma()
2416 static int prctl_set_vma(unsigned long opt, unsigned long start,  in prctl_set_vma()  argument