what kind of usage do you expect ?

On 11/07/2015 03:58, Daniel Gimpelevich wrote:
> Since the /dev filesystem is tiny, /dev/shm needs to live somewhere
> else.
> 
> Signed-off-by: Daniel Gimpelevich <dan...@gimpelevich.san-francisco.ca.us>
> --- a/initd/early.c   2015-06-19 14:01:25.000000000 -0700
> +++ b/initd/early.c   2015-07-10 15:04:23.270143065 -0700
> @@ -66,16 +66,20 @@
>       mount("sysfs", "/sys", "sysfs", MS_NOATIME, 0);
>       mount("none", "/sys/fs/cgroup", "cgroup", 0, 0);
>       mount("tmpfs", "/dev", "tmpfs", MS_NOATIME, "mode=0755,size=512K");
> -     mkdir("/dev/shm", 01777);
> +     symlink("/tmp/shm", "/dev/shm");
>       mkdir("/dev/pts", 0755);
>       mount("devpts", "/dev/pts", "devpts", MS_NOATIME, "mode=600");
>       early_dev();
>  
>       early_console("/dev/console");
> -     if (mount_zram_on_tmp())
> +     if (mount_zram_on_tmp()) {
>               mount("tmpfs", "/tmp", "tmpfs", MS_NOSUID | MS_NODEV | 
> MS_NOATIME, NULL);
> -     else
> -             mkdev("*", 0600);
> +             mkdir("/tmp/shm", 01777);
> +     } else {
> +             mkdir("/tmp/shm", 01777);
> +             mount("tmpfs", "/tmp/shm", "tmpfs", MS_NOSUID | MS_NODEV | 
> MS_NOATIME,
> +                             "mode=01777");
> +     }
>       mkdir("/tmp/run", 0777);
>       mkdir("/tmp/lock", 0777);
>       mkdir("/tmp/state", 0777);
> --- a/plug/coldplug.c 2015-06-19 14:01:25.000000000 -0700
> +++ b/plug/coldplug.c 2015-07-10 15:04:19.270123233 -0700
> @@ -45,7 +45,7 @@
>       umount2("/dev/pts", MNT_DETACH);
>       umount2("/dev/", MNT_DETACH);
>       mount("tmpfs", "/dev", "tmpfs", 0, "mode=0755,size=512K");
> -     mkdir("/dev/shm", 01777);
> +     symlink("/tmp/shm", "/dev/shm");
>       mkdir("/dev/pts", 0755);
>       umask(oldumask);
>       mount("devpts", "/dev/pts", "devpts", 0, 0);
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