mirror of https://github.com/mkerrisk/man-pages
Added some .SS headings to make structure of page a little more obvious.
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@ -275,7 +275,7 @@ and writes to that region are not written out to the file.
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The effect of
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changing the size of the underlying file of a mapping on the pages that
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correspond to added or removed regions of the file is unspecified.
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.SS munmap()
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The
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.BR munmap ()
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system call deletes the mappings for the specified address range, and
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@ -295,7 +295,7 @@ to these pages will generate
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.BR SIGSEGV .
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It is not an error if the
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indicated range does not contain any mapped pages.
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.SS Timestamps changes for file-backed mappings
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For file-backed mappings, the
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.I st_atime
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field for the mapped file may be updated at any time between the
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