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由 Adrian Reber 提交于
Opening files in /proc/pid/map_files when the current user is CAP_CHECKPOINT_RESTORE capable in the root namespace is useful for checkpointing and restoring to recover files that are unreachable via the file system such as deleted files, or memfd files. Signed-off-by: NAdrian Reber <areber@redhat.com> Signed-off-by: NNicolas Viennot <Nicolas.Viennot@twosigma.com> Reviewed-by: NCyrill Gorcunov <gorcunov@gmail.com> Reviewed-by: NSerge Hallyn <serge@hallyn.com> Link: https://lore.kernel.org/r/20200719100418.2112740-5-areber@redhat.comSigned-off-by: NChristian Brauner <christian.brauner@ubuntu.com>
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