[PATCH] Document the new Anonymous field in smaps.

Nikanth Karthikesan
2010-09-16T06:02:14Z

Sorry, I missed to add documentation, when I sent the patch. This depends on
the patch titled, "[PATCH] Export amount of anonymous memory in a mapping via
smaps".

Thanks
Nikanth

Document the new Anonymous field in smaps.

Signed-off-by: Nikanth Karthikesan <knikanth@suse.de>

---

diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index a6aca87..75c7368 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -370,6 +370,7 @@ Shared_Dirty: 0 kB
Private_Clean: 0 kB
Private_Dirty: 0 kB
Referenced: 892 kB
+Anonymous: 0 kB
Swap: 0 kB
KernelPageSize: 4 kB
MMUPageSize: 4 kB
@@ -380,7 +381,10 @@ 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.
+of memory currently marked as referenced or accessed. The "Anonymous" shows
+the amount of mapping that is not associated with a file. Even the private
+pages in a mapping associated with a file, would become anonymous, when they
+are modified.

This file is only present if the CONFIG_MMU kernel configuration option is
enabled.