[Buildroot] [PATCH 1/1] fs/romfs: add U-Boot image support

[Hoang Tran]

On Mon, Jun 15, 2015 at 10:51 AM, Thomas Petazzoni
<thomas.petazzoni at free-electrons.com> wrote:
> Dear Hoang Tran,
>
> On Mon, 15 Jun 2015 10:46:08 -0400, Hoang Tran wrote:
>
>> Sorry I did not response because of the problem of my email client.
>> But anyway I agree with Arnout.
>> My rootfs is in romfs and I intended to make a uRamdisk for quick testing.
>> But we could use cpio Ramdisk instead.
>
> a "uRamdisk" can be in cpio format. Basically the "u" is just a
> container for a ramdisk, and the ramdisk itself can use the cpio
> format, or ext2, or whatever filesystem you want. However, by using
> cpio, you leverage the initramfs mechanism of the kernel, which is much
> better than initrd in terms of memory consumption.
>
> See:
>
>   https://www.kernel.org/doc/Documentation/filesystems/ramfs-rootfs-initramfs.txt
>

I get it. That is really useful. Thank you.

Hoang