Re: 2.4.0-test8-pre1 is quite bad / how about integrating Rik's VM

[Alexander Viro]

On Sun, 3 Sep 2000, Alan Cox wrote:

> > I've considered making "free_page()" a macro something like
> > 
> >     __free_pge(x);
> >     x = NULL;
> > 
> > but that works only for lvalues, of course, and not all users are
> > lvalue-users, so it's hard to do. But that would have caught this.
> 
> Not that hard. (barf buckets at the ready)
> 
>       *((unsigned long *)(&x)) = NULL;

free_page(foo()) and we've got problems...

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