Re: dentry bloat.

From: Arjan van de Ven
Date: Mon May 10 2004 - 03:33:18 EST

On Mon, 2004-05-10 at 10:27, Helge Hafting wrote:
> Matt Mackall wrote:
> >One also wonders about whether all the RCU stuff is needed on UP. I'm
> >not sure if I grok all the finepoints here, but it looks like the
> >answer is no and that we can make struct_rcu head empty and have
> >call_rcu fall directly through to the callback. This would save
> >something like 16-32 bytes (32/64bit), not to mention a bunch of
> >dinking around with lists and whatnot.
> >
> >So what am I missing?
> >
> >
> Preempt can happen anytime, I believe.

ok so for UP-non-preempt we can still get those 16 bytes back from the

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