On Wed, Feb 21, 2018 at 04:11:16PM +0000, Andy Lutomirski wrote:
> On Wed, Feb 21, 2018 at 3:42 PM, Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote:
> > +++ b/kernel/fork.c
> > @@ -319,12 +319,12 @@ static void account_kernel_stack(struct task_struct *tsk, int account)
> > if (vm) {
> > int i;
> >
> > - BUG_ON(vm->nr_pages != THREAD_SIZE / PAGE_SIZE);
...
> > + if (j) {
> > + area->nr_pages -= (1UL << j) - 1;
>
> Is there any code that expects area->nr_pages to be the size of the
> area in pages? I don't know of any such code.
I found one and deleted it ;-)
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