573 		unsigned long new_len, unsigned long new_addr,  in move_vma()  argument
577 	long to_account = new_len - old_len;  in move_vma()
597 		to_account = new_len;  in move_vma()
626 	new_vma = copy_vma(&vma, new_addr, new_len, new_pgoff,  in move_vma()
651 		old_len = new_len;  in move_vma()
681 	vm_stat_account(mm, vma->vm_flags, new_len >> PAGE_SHIFT);  in move_vma()
711 		mm->locked_vm += new_len >> PAGE_SHIFT;  in move_vma()
728 	unsigned long old_len, unsigned long new_len, unsigned long flags)  in vma_to_resize()  argument
759 	if (new_len == old_len)  in vma_to_resize()
765 	if (pgoff + (new_len >> PAGE_SHIFT) < pgoff)  in vma_to_resize()
771 	if (mlock_future_check(mm, vma->vm_flags, new_len - old_len))  in vma_to_resize()
775 				(new_len - old_len) >> PAGE_SHIFT))  in vma_to_resize()
782 		unsigned long new_addr, unsigned long new_len, bool *locked,  in mremap_to()  argument
795 	if (new_len > TASK_SIZE || new_addr > TASK_SIZE - new_len)  in mremap_to()
799 	if (addr + old_len > new_addr && new_addr + new_len > addr)  in mremap_to()
820 		ret = do_munmap(mm, new_addr, new_len, uf_unmap_early);  in mremap_to()
825 	if (old_len > new_len) {  in mremap_to()
826 		ret = do_munmap(mm, addr+new_len, old_len - new_len, uf_unmap);  in mremap_to()
829 		old_len = new_len;  in mremap_to()
832 	vma = vma_to_resize(addr, old_len, new_len, flags);  in mremap_to()
851 	ret = get_unmapped_area(vma->vm_file, new_addr, new_len, vma->vm_pgoff +  in mremap_to()
861 	ret = move_vma(vma, addr, old_len, new_len, new_addr, locked, flags, uf,  in mremap_to()
890 		unsigned long, new_len, unsigned long, flags,  in SYSCALL_DEFINE5()  argument
925 			(!(flags & MREMAP_MAYMOVE) || old_len != new_len))  in SYSCALL_DEFINE5()
933 	new_len = PAGE_ALIGN(new_len);  in SYSCALL_DEFINE5()
940 	if (!new_len)  in SYSCALL_DEFINE5()
955 		new_len = ALIGN(new_len, huge_page_size(h));  in SYSCALL_DEFINE5()
967 		if (new_len > old_len)  in SYSCALL_DEFINE5()
972 		ret = mremap_to(addr, old_len, new_addr, new_len,  in SYSCALL_DEFINE5()
984 	if (old_len >= new_len) {  in SYSCALL_DEFINE5()
986 		MA_STATE(mas, &mm->mm_mt, addr + new_len, addr + new_len);  in SYSCALL_DEFINE5()
988 		retval = do_mas_munmap(&mas, mm, addr + new_len,  in SYSCALL_DEFINE5()
989 				       old_len - new_len, &uf_unmap, true);  in SYSCALL_DEFINE5()
993 		} else if (retval < 0 && old_len != new_len) {  in SYSCALL_DEFINE5()
1005 	vma = vma_to_resize(addr, old_len, new_len, flags);  in SYSCALL_DEFINE5()
1015 		if (vma_expandable(vma, new_len - old_len)) {  in SYSCALL_DEFINE5()
1016 			long pages = (new_len - old_len) >> PAGE_SHIFT;  in SYSCALL_DEFINE5()
1018 			unsigned long extension_end = addr + new_len;  in SYSCALL_DEFINE5()
1067 		new_addr = get_unmapped_area(vma->vm_file, 0, new_len,  in SYSCALL_DEFINE5()
1076 		ret = move_vma(vma, addr, old_len, new_len, new_addr,  in SYSCALL_DEFINE5()
1086 	if (locked && new_len > old_len)  in SYSCALL_DEFINE5()
1087 		mm_populate(new_addr + old_len, new_len - old_len);  in SYSCALL_DEFINE5()