On Sun, Apr 14, 2024 at 07:08:21PM -0700, Suren Baghdasaryan wrote: > When folio is moved with UFFDIO_MOVE it gets locked before the rmap and > index are modified. Due to the folio lock being already held, WRITE_ONCE() > is not needed when setting the folio index. Remove it. > > Reported-by: Matthew Wilcox <willy@xxxxxxxxxxxxx> > Signed-off-by: Suren Baghdasaryan <surenb@xxxxxxxxxx> > Cc: David Hildenbrand <david@xxxxxxxxxx> > Cc: Peter Xu <peterx@xxxxxxxxxx> > Cc: Lokesh Gidra <lokeshgidra@xxxxxxxxxx> Reviewed-by: Peter Xu <peterx@xxxxxxxxxx> -- Peter Xu
