Re: CVS commit: src/sys/miscfs/genfs

[Mindaugas Rasiukevicius <rmind%netbsd.org@localhost>]

yamt%mwd.biglobe.ne.jp@localhost (YAMAMOTO Takashi) wrote:
> > > because pager map is a system-global resource.
> > 
> > Address space is managed by UVM, with appropriate locking. At the unmap
> > point, there are no references to KVA. Can you explain more?
> 
> keeping the map longer can block other threads.

See your point now. I think the window is very small (cf. the case when
mapout is left for aiodone) and this has a positive effect for glock.

Do you think such window has any relevant effect to the pager map?

> 
> YAMAMOTO Takashi

-- 
Best regards,
Mindaugas