On Tue, Jan 30, 2001 at 08:18:56AM +0000, David Howells wrote:
> >...
> > + spin_lock(&mm->page_table_lock);
> > mm->rss++;
> > + spin_unlock(&mm->page_table_lock);
> >...
>
> Would it not be better to use some sort of atomic add/subtract/clear operation
> rather than a spinlock? (Which would also give you fewer atomic memory access
> cycles).
This will unfortunately not do for all platforms. Please read
http://marc.theaimsgroup.com/?t=97630768100003&w=2&r=1 for the
last discussion of this.
Regards,
Rasmus
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