On Tue, Jan 12, 2010 at 03:21:45PM -0800, Chris Wright wrote:
> * Gleb Natapov ([email protected]) wrote:
> > v3->v4
> > - return error if MAP_LOCKED | MAP_UNLOCKED is specified
> ...
> > --- a/mm/mmap.c
> > +++ b/mm/mmap.c
> > @@ -962,6 +962,12 @@ unsigned long do_mmap_pgoff(struct file *file,
> > unsigned long addr,
> > if (!can_do_mlock())
> > return -EPERM;
> >
> > + if (flags & MAP_UNLOCKED)
> > + vm_flags &= ~VM_LOCKED;
> > +
> > + if (flags & MAP_UNLOCKED)
> > + vm_flags &= ~VM_LOCKED;
> > +
> > /* mlock MCL_FUTURE? */
> > if (vm_flags & VM_LOCKED) {
> > unsigned long locked, lock_limit;
>
> Looks like same patch applied twice rather than adding the
> (MAP_LOCKED | MAP_UNLOCKED) check.
>
Thanks Chris, will resend.
--
Gleb.
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