238 		unsigned long new_len, unsigned long new_addr, bool *locked)  in move_vma()  argument
271 	new_vma = copy_vma(&vma, new_addr, new_len, new_pgoff,  in move_vma()
293 		old_len = new_len;  in move_vma()
298 			   new_addr, new_addr + new_len);  in move_vma()
320 	vm_stat_account(mm, vma->vm_flags, vma->vm_file, new_len>>PAGE_SHIFT);  in move_vma()
337 		mm->locked_vm += new_len >> PAGE_SHIFT;  in move_vma()
345 	unsigned long old_len, unsigned long new_len, unsigned long *p)  in vma_to_resize()  argument
361 	if (new_len == old_len)  in vma_to_resize()
367 	if (pgoff + (new_len >> PAGE_SHIFT) < pgoff)  in vma_to_resize()
377 		locked += new_len - old_len;  in vma_to_resize()
382 	if (!may_expand_vm(mm, (new_len - old_len) >> PAGE_SHIFT))  in vma_to_resize()
386 		unsigned long charged = (new_len - old_len) >> PAGE_SHIFT;  in vma_to_resize()
396 		unsigned long new_addr, unsigned long new_len, bool *locked)  in mremap_to()  argument
407 	if (new_len > TASK_SIZE || new_addr > TASK_SIZE - new_len)  in mremap_to()
411 	if (addr + old_len > new_addr && new_addr + new_len > addr)  in mremap_to()
414 	ret = do_munmap(mm, new_addr, new_len);  in mremap_to()
418 	if (old_len >= new_len) {  in mremap_to()
419 		ret = do_munmap(mm, addr+new_len, old_len - new_len);  in mremap_to()
420 		if (ret && old_len != new_len)  in mremap_to()
422 		old_len = new_len;  in mremap_to()
425 	vma = vma_to_resize(addr, old_len, new_len, &charged);  in mremap_to()
435 	ret = get_unmapped_area(vma->vm_file, new_addr, new_len, vma->vm_pgoff +  in mremap_to()
441 	ret = move_vma(vma, addr, old_len, new_len, new_addr, locked);  in mremap_to()
472 		unsigned long, new_len, unsigned long, flags,  in SYSCALL_DEFINE5()  argument
491 	new_len = PAGE_ALIGN(new_len);  in SYSCALL_DEFINE5()
498 	if (!new_len)  in SYSCALL_DEFINE5()
504 		ret = mremap_to(addr, old_len, new_addr, new_len,  in SYSCALL_DEFINE5()
514 	if (old_len >= new_len) {  in SYSCALL_DEFINE5()
515 		ret = do_munmap(mm, addr+new_len, old_len - new_len);  in SYSCALL_DEFINE5()
516 		if (ret && old_len != new_len)  in SYSCALL_DEFINE5()
525 	vma = vma_to_resize(addr, old_len, new_len, &charged);  in SYSCALL_DEFINE5()
535 		if (vma_expandable(vma, new_len - old_len)) {  in SYSCALL_DEFINE5()
536 			int pages = (new_len - old_len) >> PAGE_SHIFT;  in SYSCALL_DEFINE5()
538 			if (vma_adjust(vma, vma->vm_start, addr + new_len,  in SYSCALL_DEFINE5()
565 		new_addr = get_unmapped_area(vma->vm_file, 0, new_len,  in SYSCALL_DEFINE5()
574 		ret = move_vma(vma, addr, old_len, new_len, new_addr, &locked);  in SYSCALL_DEFINE5()
582 	if (locked && new_len > old_len)  in SYSCALL_DEFINE5()
583 		mm_populate(new_addr + old_len, new_len - old_len);  in SYSCALL_DEFINE5()