message vma_entry {
	required uint64		start	= 1;
	required uint64		end	= 2;
	required uint64		pgoff	= 3;
	required uint64		shmid	= 4;
	required uint32		prot	= 5;
	required uint32		flags	= 6;
	required uint32		status	= 7;
	// This fd thing is unused in the image, it was lost
	// while switching from execve restore model. It is
	// -1 by default.
	required sint64		fd	= 8;

	/* madvise flags bitmap */
	optional uint64		madv	= 9;
}
