Messages in this thread | | | Date | Tue, 12 Jan 2010 15:21:45 -0800 | From | Chris Wright <> | Subject | Re: [PATCH v4][RESENT] add MAP_UNLOCKED mmap flag |
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* Gleb Natapov (gleb@redhat.com) 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.
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