Re: [PATCH][RESEND] nommu: yield CPU periodically while disposinglarge VM

[Steven J. Magnani]

On Mon, 2010-11-15 at 20:47 -0800, Andrew Morton wrote:
> On Mon, 15 Nov 2010 08:29:11 -0600 "Steven J. Magnani" <steve@xxxxxxxxxxxxxxx> wrote:
> 
> > As efficient as schedule() may be, it still scares me to call it on
> > reclaim of every block of memory allocated by a terminating process,
> > particularly on the relatively slow processors that inhabit NOMMU land.
> 
> This is cond_resched(), not schedule()!  cond_resched() is just a few
> instructions, except for the super-rare case where it calls schedule().

The light comes on..._cond_resched() is overloaded. I was looking at the
static version, which calls schedule(). The extern version is much more
lightweight.

I'll respin the patch.

Thanks,
------------------------------------------------------------------------
 Steven J. Magnani               "I claim this network for MARS!
 www.digidescorp.com              Earthling, return my space modulator!"

 #include <standard.disclaimer>



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