On Thu, Dec 06, 2007 at 11:46:42AM -0800, Andrew Morton wrote:
> > +void flush_tlb_mm(struct mm_struct *mm)
> > +{
> > + struct vm_area_struct *vma = mm->mmap;
> > +
> > + if (atomic_read(&mm->mm_users) == 0)
> > + return;
>
> Under which circumstances does this test succeed?
Sigh, none. The other copy obviously succeeds during exit - this one
isn't needed.
> This file rather needs an inclusion of percpu.h. I guess you got
> lucky.
Yup, drop this, and I'll send a fixed version.
Jeff
--
Work email - jdike at linux dot intel dot com
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