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由 Cyrill Gorcunov 提交于
pte_file_mksoft_dirty operates with argument passed by a value and returns modified result thus we need to assign @ptfile here, otherwise itis a no-op which may lead to loss of the softdirty bit. Signed-off-by: NCyrill Gorcunov <gorcunov@openvz.org> Cc: Pavel Emelyanov <xemul@parallels.com> Cc: Hugh Dickins <hughd@google.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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