> > Would it be possible to grow and shring that buffer on demand?
> > Let's say we have a default size and let it grow to a maximum
> > value. After some timeout, buffer size can be shrinked to
> > default value if it's enough at that moment. Or something
> > similar.
>
> And when you can't allocate memory for expanding the
> printk() ringbuffer? Print a message? ;)
;)
but seriously, we normally need a big printk buffer only because
of boot messages. no reason I know we couldn't shrink it down
to something quite modest (4k? plenty for a few oopses) after boot.
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