Messages in this thread | | | Date | Sat, 25 Oct 2014 01:45:37 +0300 | From | "Kirill A. Shutemov" <> | Subject | Re: [PATCH 03/10] mm: convert i_mmap_mutex to rwsem |
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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.
-- Kirill A. Shutemov
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