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由 Dan Williams 提交于
In preparation for supporting memory_failure() for dax mappings, teach collect_procs() to also determine the mapping size. Unlike typical mappings the dax mapping size is determined by walking page-table entries rather than using the compound-page accounting for THP pages. Acked-by: NNaoya Horiguchi <n-horiguchi@ah.jp.nec.com> Signed-off-by: NDan Williams <dan.j.williams@intel.com> Signed-off-by: NDave Jiang <dave.jiang@intel.com>
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