On 05 Jun 2001 16:51:13 -0700, Linus Torvalds wrote:
>
>
> On Wed, 6 Jun 2001, Andrea Arcangeli wrote:
> >
> > that would fix it too indeed, OTOH I think changing the empty zone
> > handling in the kernel is beyond the scope of the bugfix (grep for
> > zone->size in mm/*.c :). Certainly making empty zones transparent to the
> > vm sounds much cleaner from a mm/*.c point of view but it may be faster
> > to skip the block with a branch instead of always computing it.
>
> Agreed. I'd like to do both. Having uninitialized random stuff around and
> depending on jumping over code that might access it sounds like really bad
> practice.
Why not explicitely initializing it to weird values, to catch code which
should jump over it (but doesn't) ?
Xav
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