On 8/7/25 20:51, Lichen Liu wrote:
This patch introduces a new kernel command-line parameter, rootfsflags,
which allows passing specific mount options directly to the rootfs when
it is first mounted. This gives users control over the rootfs behavior.

Works for me. In an i486 mkroot build against stock 6.16 with this patch:

$ root/i486/run-qemu.sh
...
# grep rootfs /proc/mounts
rootfs / rootfs rw,size=125728k,nr_inodes=31432 0 0
# df
Filesystem     1K-blocks Used Available Use% Mounted on
rootfs            125728  764    124964   1% /
dev               125728    0    125728   0% /dev


$ KARGS="rootfsflags=size=1m" root/i486/run-qemu.sh
...
# grep rootfs /proc/mounts
rootfs / rootfs rw,size=1024k,nr_inodes=31432 0 0
# df
Filesystem     1K-blocks Used Available Use% Mounted on
rootfs              1024  764       260  75% /
dev               125728    0    125728   0% /dev

Tested-by: Rob Landley <r...@landley.net>

Rob

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