On Tue, 16 Jul 2013 08:31:13 -0700 (PDT) Rob Landley <rob@xxxxxxxxxxx> wrote: > Use tmpfs for rootfs when CONFIG_TMPFS=y and there's no root=. > Specify rootfstype=ramfs to get the old initramfs behavior. > > The previous initramfs code provided a fairly crappy root filesystem: > didn't let you --bind mount directories out of it, reported zero > size/usage so it didn't show up in "df" and couldn't run things like > rpm that query available space before proceeding, would fill up all > available memory and panic the system if you wrote too much to it... The df problem and the mount --bind thing are ramfs issues, are they not? Can we fix them? If so, that's a less intrusive change, and we also get a fixed ramfs. > Using tmpfs instead provides a much better root filesystem. > > Changes from last time: use test_and_set_bit() for "once" logic. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>