The patch titled
/proc/pid/pagemap: document in Documentation/filesystems/proc.txt
has been added to the -mm tree. Its filename is
proc-pid-pagemap-document-in-documentation-filesystems-proctxt.patch
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------------------------------------------------------
Subject: /proc/pid/pagemap: document in Documentation/filesystems/proc.txt
From: Nikanth Karthikesan <knikanth@xxxxxxx>
Document /proc/pid/pagemap in Documentation/filesystems/proc.txt
Signed-off-by: Nikanth Karthikesan <knikanth@xxxxxxx>
Cc: Richard Guenther <rguenther@xxxxxxx>
Cc: Balbir Singh <balbir@xxxxxxxxxxxxxxxxxx>
Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Acked-by: Matt Mackall <mpm@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/filesystems/proc.txt | 4 ++++
1 file changed, 4 insertions(+)
diff -puN Documentation/filesystems/proc.txt~proc-pid-pagemap-document-in-documentation-filesystems-proctxt Documentation/filesystems/proc.txt
--- a/Documentation/filesystems/proc.txt~proc-pid-pagemap-document-in-documentation-filesystems-proctxt
+++ a/Documentation/filesystems/proc.txt
@@ -136,6 +136,7 @@ Table 1-1: Process specific entries in /
statm Process memory status information
status Process status in human readable form
wchan If CONFIG_KALLSYMS is set, a pre-decoded wchan
+ pagemap Page table
stack Report full stack trace, enable via CONFIG_STACKTRACE
smaps a extension based on maps, showing the memory consumption of
each mapping
@@ -404,6 +405,9 @@ To clear the bits for the file mapped pa
> echo 3 > /proc/PID/clear_refs
Any other value written to /proc/PID/clear_refs will have no effect.
+The /proc/pid/pagemap gives the PFN, which can be used to find the pageflags
+using /proc/kpageflags and number of times a page is mapped using
+/proc/kpagecount. For detailed explanation, see Documentation/vm/pagemap.txt.
1.2 Kernel data
---------------
_
Patches currently in -mm which might be from knikanth@xxxxxxx are
linux-next.patch
proc-pid-smaps-export-amount-of-anonymous-memory-in-a-mapping.patch
proc-pid-smaps-export-amount-of-anonymous-memory-in-a-mapping-doc.patch
proc-pid-pagemap-document-in-documentation-filesystems-proctxt.patch
documentation-filesystems-proctxt-improve-smaps-field-documentation.patch
mm-smaps-export-mlock-information.patch
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