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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>
This commit is contained in:
Matt Mackall 2010-10-26 14:21:22 -07:00 committed by Linus Torvalds
parent a4f7326da2
commit 0f4d208f19
1 changed files with 7 additions and 7 deletions
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14
Documentation/filesystems/proc.txt
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@ -374,13 +374,13 @@ Swap: 0 kB
KernelPageSize: 4 kB
MMUPageSize: 4 kB
The first of these lines shows the same information as is displayed for the
mapping in /proc/PID/maps. The remaining lines show the size of the mapping,
the amount of the mapping that is currently resident in RAM, the "proportional
set size” (divide each shared page by the number of processes sharing it), the
number of clean and dirty shared pages in the mapping, and the number of clean
and dirty private pages in the mapping. The "Referenced" indicates the amount
of memory currently marked as referenced or accessed.
The first of these lines shows the same information as is displayed for the
mapping in /proc/PID/maps. The remaining lines show the size of the mapping
(size), the amount of the mapping that is currently resident in RAM (RSS), the
process' proportional share of this mapping (PSS), the number of clean and
dirty shared pages in the mapping, and the number of clean and dirty private
pages in the mapping. The "Referenced" indicates the amount of memory
currently marked as referenced or accessed.
This file is only present if the CONFIG_MMU kernel configuration option is
enabled.