rom sys/compat/linprocfs/linprocfs.c */
++        long unsigned size = 0;
++        struct kinfo_proc *kip = kinfo_getproc(getpid());
++        ASSERT(kip != nullptr, "Failed to get process info.");
++        size = (long unsigned)kip->ki_size;
++        free (kip);
++        // VmPeak not supported
++        if (stat == peakUsage)
++            ASSERT(size, "VmPeak not supported.");
++        return size;
+ #elif __unix__
+         long unsigned size = 0;
+         FILE* fst = fopen("/proc/self/status", "r");