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authorMatt Mackall <mpm@selenic.com>2010-10-26 14:21:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-26 16:52:05 -0700
commit0f4d208f1975f16f269134cee5f44c1f048581da (patch)
tree0a09155b2e961a7d75f7235dcc72a7fc118272ee /Documentation
parenta4f7326da2bfe788b85509ec0c261e64596cdde4 (diff)
downloadop-kernel-dev-0f4d208f1975f16f269134cee5f44c1f048581da.zip
op-kernel-dev-0f4d208f1975f16f269134cee5f44c1f048581da.tar.gz
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>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/filesystems/proc.txt14
1 files changed, 7 insertions, 7 deletions
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index a6aca87..a563b74 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -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.
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