Jeremy Katz wrote:
On Mon, 2007-09-17 at 22:31 -0500, Douglas McClendon wrote:
Jeremy Katz wrote:
The danger would be loop117, as that is the one created at install time.
loop118 being locked up at initramfs time.
Not if new anaconda is used with old livecd-creator -- then loop118
wouldn't have been used and something else could use it while the live
system is running.
This is true, albeit unlikely as well. But also fixable by addressing
the hardcoded loop device issue across the board.
The reason why I think it should stay as is, instead of setting
everything up at initramfs time, is because the loop117 gets associated
with the decompressed-into-devshm contents of loop118. The
decompression being 7kb->1.2M in the typical case.
I'd say that the 1.2M ram hit should only be taken during install, and
that outweighs the benefits of moving the complexity from liveinst.sh to
initramfs.
But the time that the memory hit matters the _most_ is during the
install as we have to have swap disabled during parts of it.
Obviously this is your call, and from my perspective not a big deal
either way. My own personal preference still remains freeing up the
1.2M of ram during all times other than the install, at the expense of
the complexity being in anaconda/liveinst.sh, versus being in initramfs.
Perhaps by F9 I'll find a mechanism to achieve this that you like...
Otherwise,
swap is available and can be used. It also means that there's less need
to worry about the cleanup case in anaconda. Also, it takes care of my
biggest complaint from the past (anaconda having to know too many
details of how things are setup -- I _really_ like that right now,
anaconda just needs to know to look at block device that's already set
up and nothing more is needed)
Patch ends up being the attached plus the teensy change so that anaconda
will check /dev/mapper/live-osimg-min
Looks fine to me. Thanks for the merge work.
Now I'll move on to seeing what I can do in the next couple days with
that persistence patch. And maybe some other interesting things after
that... ;)
peace...
-dmc
P.S.- I'm still curious on that davej ping regarding unionfs.
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