618 		unsigned long new_len, unsigned long new_addr,  in move_vma()  argument
662 		if (security_vm_enough_memory_mm(mm, new_len >> PAGE_SHIFT))  in move_vma()
667 	new_vma = copy_vma(&vma, new_addr, new_len, new_pgoff,  in move_vma()
671 			vm_unacct_memory(new_len >> PAGE_SHIFT);  in move_vma()
692 		old_len = new_len;  in move_vma()
718 	vm_stat_account(mm, vma->vm_flags, new_len >> PAGE_SHIFT);  in move_vma()
750 		mm->locked_vm += new_len >> PAGE_SHIFT;  in move_vma()
767 	unsigned long old_len, unsigned long new_len, unsigned long flags,  in vma_to_resize()  argument
802 	if (new_len == old_len)  in vma_to_resize()
808 	if (pgoff + (new_len >> PAGE_SHIFT) < pgoff)  in vma_to_resize()
818 		locked += new_len - old_len;  in vma_to_resize()
824 				(new_len - old_len) >> PAGE_SHIFT))  in vma_to_resize()
828 		unsigned long charged = (new_len - old_len) >> PAGE_SHIFT;  in vma_to_resize()
838 		unsigned long new_addr, unsigned long new_len, bool *locked,  in mremap_to()  argument
852 	if (new_len > TASK_SIZE || new_addr > TASK_SIZE - new_len)  in mremap_to()
856 	if (addr + old_len > new_addr && new_addr + new_len > addr)  in mremap_to()
877 		ret = do_munmap(mm, new_addr, new_len, uf_unmap_early);  in mremap_to()
882 	if (old_len >= new_len) {  in mremap_to()
883 		ret = do_munmap(mm, addr+new_len, old_len - new_len, uf_unmap);  in mremap_to()
884 		if (ret && old_len != new_len)  in mremap_to()
886 		old_len = new_len;  in mremap_to()
889 	vma = vma_to_resize(addr, old_len, new_len, flags, &charged);  in mremap_to()
908 	ret = get_unmapped_area(vma->vm_file, new_addr, new_len, vma->vm_pgoff +  in mremap_to()
918 	ret = move_vma(vma, addr, old_len, new_len, new_addr, locked, flags, uf,  in mremap_to()
952 		unsigned long, new_len, unsigned long, flags,  in SYSCALL_DEFINE5()  argument
988 			(!(flags & MREMAP_MAYMOVE) || old_len != new_len))  in SYSCALL_DEFINE5()
996 	new_len = PAGE_ALIGN(new_len);  in SYSCALL_DEFINE5()
1003 	if (!new_len)  in SYSCALL_DEFINE5()
1010 		ret = mremap_to(addr, old_len, new_addr, new_len,  in SYSCALL_DEFINE5()
1022 	if (old_len >= new_len) {  in SYSCALL_DEFINE5()
1025 		retval = __do_munmap(mm, addr+new_len, old_len - new_len,  in SYSCALL_DEFINE5()
1027 		if (retval < 0 && old_len != new_len) {  in SYSCALL_DEFINE5()
1040 	vma = vma_to_resize(addr, old_len, new_len, flags, &charged);  in SYSCALL_DEFINE5()
1050 		if (vma_expandable(vma, new_len - old_len)) {  in SYSCALL_DEFINE5()
1051 			int pages = (new_len - old_len) >> PAGE_SHIFT;  in SYSCALL_DEFINE5()
1053 			if (vma_adjust(vma, vma->vm_start, addr + new_len,  in SYSCALL_DEFINE5()
1080 		new_addr = get_unmapped_area(vma->vm_file, 0, new_len,  in SYSCALL_DEFINE5()
1089 		ret = move_vma(vma, addr, old_len, new_len, new_addr,  in SYSCALL_DEFINE5()
1101 	if (locked && new_len > old_len)  in SYSCALL_DEFINE5()
1102 		mm_populate(new_addr + old_len, new_len - old_len);  in SYSCALL_DEFINE5()