Subject: Re: new mremap(2): relax alignment restrictions?
To: None <erh@nimenees.com>
From: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
List: tech-kern
Date: 07/30/2007 12:05:11
> On Fri, Jul 27, 2007 at 07:46:31AM +0900, YAMAMOTO Takashi wrote:
> > > I suppose there's a bit of a performance hit with zeroing out the page
> > > every time, but it seems like a necessary thing to do. A couple other
> > > OSes I've tried it on do so.
> >
> > which os?
>
> hpux 11 on Itanium and some variant of linux. I'm not sure which, and I
> don't have access to that machine right now. Probably an older version of
> RedHat.
>
> eric
i don't think recent linux does it. (i don't know about older ones.)
iirc, hpux doesn't have ubc.
YAMAMOTO Takashi