On Wed, Nov 21, 2001 at 01:10:36PM +0900, YAMAMOTO Takashi wrote:

 > From: Jason R Thorpe <thorpej@wasabisystems.com>
 > >  > manpage of pmap(9) says that pmap_enter can be delayed
 > >  > and pmap_update must be called to make sure that it's done.
 > >  > but comments in pmap.c of i386 and alpha say that it can't
 > >  > be delayed.
 > >  > which is correct?
 > > 
 > > The manpage is correct; the comments in those files are out of date.
 > 
 > thanks.
 > why/when is it changed?

April 2001.  It is so that TLB shootdown traffic can be reduced on
MP systems.

-- 
        -- Jason R. Thorpe <thorpej@wasabisystems.com>