Hi!
> > Hmm. I seem to see a bug in this function, it can be fulled by use_mm,
> > but I am not sure this can explain the problem. I'll send a patch.
>
> Untested, please review. But it really looks "obviously wrong", and note
> that unuse_mm() doesn't do mm_update_next_owner(). (just in case, do not
> confuse it with unuse_mm() in mm/swapfile.c).
Having two functions, one exported, one static with same name -- that
sounds quite evil, right?
mmu_context.c: * unuse_mm
mmu_context.c:void unuse_mm(struct mm_struct *mm)
mmu_context.c:EXPORT_SYMBOL_GPL(unuse_mm);
swapfile.c:static int unuse_mm(struct mm_struct *mm,
swapfile.c: retval = unuse_mm(start_mm,
entry, page);
swapfile.c: retval = unuse_mm(mm,
entry, page);
swapfile.c: * or while we dropped it in unuse_mm(). The
page might even
Pavel
--
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http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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