On Sat, 2014-10-25 at 01:45 +0300, Kirill A. Shutemov wrote:
> On Fri, Oct 24, 2014 at 03:06:13PM -0700, Davidlohr Bueso wrote:
> > diff --git a/mm/fremap.c b/mm/fremap.c
> > index 72b8fa3..11ef7ec 100644
> > --- a/mm/fremap.c
> > +++ b/mm/fremap.c
> > @@ -238,13 +238,13 @@ get_write_lock:
> > }
> > goto out_freed;
> > }
> > - mutex_lock(&mapping->i_mmap_mutex);
> > + i_mmap_lock_write(mapping);
> > flush_dcache_mmap_lock(mapping);
> > vma->vm_flags |= VM_NONLINEAR;
> > vma_interval_tree_remove(vma, &mapping->i_mmap);
> > vma_nonlinear_insert(vma, &mapping->i_mmap_nonlinear);
> > flush_dcache_mmap_unlock(mapping);
> > - mutex_unlock(&mapping->i_mmap_mutex);
> > + i_mmap_unlock_write(mapping);
> > }
> >
> > if (vma->vm_flags & VM_LOCKED) {
>
> This should go to previous patch.
Indeed. I had forgotten I snuck that change in as when I was writing the
patch there was a conflict with that fremap. However you removed
mm/fremap.c altogether in -next (mm: replace remap_file_pages() syscall
with emulation) so I'll just update accordingly.
Thanks,
Davidlohr
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