Initramfs and TMPFS!

[robotti]

   >On Thu, Aug 25, 2005 at 11:38:49AM -0400, robotti@xxxxxxxxxxx wrote:
   >What if you have a root.cpio.gz that requires 200MB to hold, but you
   >only have 300MB of memory?
   >
   >50% of total memory wouldn't hold it, but 90% etc. would
   >(tmpfs_size=90%).

   >>tmpfs will not help you here. Yes, it can be swapped, but just like
   >>with ramfs you first need to *unpack* the cpio archive before you can
   >>even start the "swapon /dev/hda2" command on it.

I was making a case for a tmpfs_size option if tmpfs is used for a initramfs,
because tmpfs has a default 50% memory limit.

   >>Same with initrd, btw. If the compressed initrd image, plus the
   >>uncompressed image, plus the kernel size are larger than the memory
   >>size, the system will not boot.

Right.

   
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