Re: [PATCHv4 02/17] zram: do not use per-CPU compression streams

[Sergey Senozhatsky]

On (25/02/06 16:22), Sergey Senozhatsky wrote:
> I didn't know it was possible to use per-CPU data and still have
> preemption enabled at the same time.  So I'm not opposed to the
> idea of still having per-CPU streams and do what zswap folks did.

Maybe that's actually a preferable option.   Allocation of streams
on-demand has a problem that streams' constructors need to use proper
GFP flags (they still use GFP_KERNEL, wrongly), and so on.  Keeping
things the way they are (per-CPU) but adding a preemption is likely
a safer and nicer option.