Messages in this thread | | | Subject | Re: [PATCH 03/10] mm: convert i_mmap_mutex to rwsem | From | Davidlohr Bueso <> | Date | Tue, 28 Oct 2014 13:27:19 -0700 |
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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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