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Matt Mackalltorvalds
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Documentation/filesystems/proc.txt: improve smaps field documentation
Signed-off-by: Matt Mackall <mpm@selenic.com> Cc: Nikanth Karthikesan <knikanth@suse.de> Cc: Balbir Singh <balbir@linux.vnet.ibm.com> Cc: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Documentation/filesystems/proc.txt

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@@ -374,13 +374,13 @@ Swap: 0 kB
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KernelPageSize: 4 kB
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MMUPageSize: 4 kB
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The first of these lines shows the same information as is displayed for the
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mapping in /proc/PID/maps. The remaining lines show the size of the mapping,
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the amount of the mapping that is currently resident in RAM, the "proportional
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set size” (divide each shared page by the number of processes sharing it), the
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number of clean and dirty shared pages in the mapping, and the number of clean
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and dirty private pages in the mapping. The "Referenced" indicates the amount
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of memory currently marked as referenced or accessed.
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The first of these lines shows the same information as is displayed for the
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mapping in /proc/PID/maps. The remaining lines show the size of the mapping
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(size), the amount of the mapping that is currently resident in RAM (RSS), the
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process' proportional share of this mapping (PSS), the number of clean and
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dirty shared pages in the mapping, and the number of clean and dirty private
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pages in the mapping. The "Referenced" indicates the amount of memory
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currently marked as referenced or accessed.
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This file is only present if the CONFIG_MMU kernel configuration option is
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enabled.

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