[Bug kprobes/2062] Return probes does not scale well on SMP box

[Frank Ch. Eigler]

Hi -

> > [...]  I suppose we could avoid preallocating the kretprobe
> > instances at all, and > just allocate them as needed from
> > GFP_ATOMIC space. :-}

> This could be other alternative, we can try this one too.

What rate of kretprobe firing could a system possibly sustain,
while keeping the GFP_ATOMIC memory pool from running empty?

- FChE