mirror of https://github.com/mkerrisk/man-pages
proc.5: Clarify mapping provided by uid_map and gid_map
Add a sentence to emphasize that these files provide a mapping based on the user namespace of the file opener. Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -1891,6 +1891,12 @@ of the process
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.IR pid
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to the user namespace of the process that opened
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.IR uid_map .
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(In other words, processes that are in different user namespaces
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will potentially see different values when reading from a particular
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.I uid_map
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file, depending on the user ID mappings for the user namespaces
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of the reading processes.)
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Each line in the file specifies a 1-to-1 mapping of a range of contiguous
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user IDs from the user namespace of the process
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