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From: Nikanth Karthikesan <knikanth@suse.de>
To: Richard Guenther <rguenther@suse.de>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
	Michael Matz <matz@novell.com>, Matt Mackall <mpm@selenic.com>,
	linux-kernel@vger.kernel.org
Subject: [PATCH] Document /proc/pid/pagemap in Documentation/filesystems/proc.txt
Date: Sun, 19 Sep 2010 23:08:20 +0530	[thread overview]
Message-ID: <201009192308.20500.knikanth@suse.de> (raw)
In-Reply-To: <201009192307.09309.knikanth@suse.de>

Document /proc/pid/pagemap in Documentation/filesystems/proc.txt

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

---


diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index a6aca87..a9c85a6 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -136,6 +136,7 @@ Table 1-1: Process specific entries in /proc
  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
@@ -397,6 +398,9 @@ To clear the bits for the file mapped pages associated with the process
     > 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
 ---------------

WARNING: multiple messages have this Message-ID (diff)
From: Nikanth Karthikesan <knikanth@suse.de>
To: Richard Guenther <rguenther@suse.de>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>,
	KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
	linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
	Michael Matz <matz@novell.com>, Matt Mackall <mpm@selenic.com>,
	linux-kernel@vger.kernel.org
Subject: [PATCH] Document /proc/pid/pagemap in Documentation/filesystems/proc.txt
Date: Sun, 19 Sep 2010 23:08:20 +0530	[thread overview]
Message-ID: <201009192308.20500.knikanth@suse.de> (raw)
In-Reply-To: <201009192307.09309.knikanth@suse.de>

Document /proc/pid/pagemap in Documentation/filesystems/proc.txt

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

---


diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index a6aca87..a9c85a6 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -136,6 +136,7 @@ Table 1-1: Process specific entries in /proc
  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
@@ -397,6 +398,9 @@ To clear the bits for the file mapped pages associated with the process
     > 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
 ---------------

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  reply	other threads:[~2010-09-20  3:54 UTC|newest]

Thread overview: 86+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-14 11:10 [PATCH] After swapout/swapin private dirty mappings become clean Nikanth Karthikesan
2010-09-14 11:10 ` Nikanth Karthikesan
2010-09-14 11:33 ` Richard Guenther
2010-09-14 11:33   ` Richard Guenther
2010-09-14 17:12   ` Nikanth Karthikesan
2010-09-14 17:12     ` Nikanth Karthikesan
2010-09-14 17:14     ` [PATCH v2] After swapout/swapin private dirty mappings are reported clean in smaps Nikanth Karthikesan
2010-09-14 17:14       ` Nikanth Karthikesan
2010-09-15  0:26       ` KOSAKI Motohiro
2010-09-15  0:26         ` KOSAKI Motohiro
2010-09-15  4:38         ` Nikanth Karthikesan
2010-09-15  4:38           ` Nikanth Karthikesan
2010-09-15  4:48           ` KOSAKI Motohiro
2010-09-15  4:48             ` KOSAKI Motohiro
2010-09-15  5:04             ` Nikanth Karthikesan
2010-09-15  5:04               ` Nikanth Karthikesan
2010-09-15  5:20               ` KOSAKI Motohiro
2010-09-15  5:20                 ` KOSAKI Motohiro
2010-09-15  6:31                 ` Nikanth Karthikesan
2010-09-15  6:31                   ` Nikanth Karthikesan
2010-09-15 14:09                   ` Balbir Singh
2010-09-15 14:09                     ` Balbir Singh
2010-09-15 14:14                     ` Richard Guenther
2010-09-15 14:14                       ` Richard Guenther
2010-09-15 14:46                       ` Matt Mackall
2010-09-15 14:46                         ` Matt Mackall
2010-09-15 14:53                         ` Richard Guenther
2010-09-15 14:53                           ` Richard Guenther
2010-09-15 17:24                           ` Matt Mackall
2010-09-15 17:24                             ` Matt Mackall
2010-09-15 19:08                             ` Richard Guenther
2010-09-15 19:08                               ` Richard Guenther
2010-09-15 19:18                             ` Hugh Dickins
2010-09-15 19:18                               ` Hugh Dickins
2010-09-15 19:46                               ` Matt Mackall
2010-09-15 19:46                                 ` Matt Mackall
2010-09-15 19:53                                 ` Richard Guenther
2010-09-15 19:53                                   ` Richard Guenther
2010-09-15 21:47                                 ` Hugh Dickins
2010-09-15 21:47                                   ` Hugh Dickins
2010-09-16  3:26                                   ` [PATCH] Export amount of anonymous memory in a mapping via smaps Nikanth Karthikesan
2010-09-16  3:26                                     ` Nikanth Karthikesan
2010-09-16  3:52                                     ` KOSAKI Motohiro
2010-09-16  3:52                                       ` KOSAKI Motohiro
2010-09-16  6:04                                       ` [PATCH] Document the new Anonymous field in smaps Nikanth Karthikesan
2010-09-16  6:04                                         ` Nikanth Karthikesan
2010-09-16  6:34                                         ` [PATCH] smaps: fix dirty pages accounting KOSAKI Motohiro
2010-09-16  6:34                                           ` KOSAKI Motohiro
2010-09-16 16:56                                           ` Hugh Dickins
2010-09-16 16:56                                             ` Hugh Dickins
2010-09-16 16:50                                         ` [PATCH] Document the new Anonymous field in smaps Hugh Dickins
2010-09-17  6:04                                           ` [PATCH v2] " Nikanth Karthikesan
2010-09-17  6:04                                             ` Nikanth Karthikesan
2010-09-20  7:11                                             ` Hugh Dickins
2010-09-20 19:24                                               ` Matt Mackall
2010-09-20 19:24                                                 ` Matt Mackall
2010-09-16 16:40                                     ` [PATCH] Export amount of anonymous memory in a mapping via smaps Hugh Dickins
2010-09-16 16:40                                       ` Hugh Dickins
2010-09-15 17:41                       ` [PATCH v2] After swapout/swapin private dirty mappings are reported clean in smaps Balbir Singh
2010-09-15 17:41                         ` Balbir Singh
2010-09-19 17:37                       ` Nikanth Karthikesan
2010-09-19 17:37                         ` Nikanth Karthikesan
2010-09-19 17:38                         ` Nikanth Karthikesan [this message]
2010-09-19 17:38                           ` [PATCH] Document /proc/pid/pagemap in Documentation/filesystems/proc.txt Nikanth Karthikesan
2010-09-20 21:27                           ` Matt Mackall
2010-09-20 21:27                             ` Matt Mackall
2010-09-20  5:24                         ` [PATCH v2] After swapout/swapin private dirty mappings are reported clean in smaps Nikanth Karthikesan
2010-09-20  5:24                           ` Nikanth Karthikesan
2010-09-20 14:30                         ` Richard Guenther
2010-09-20 14:30                           ` Richard Guenther
2010-09-15  0:24 ` [PATCH] After swapout/swapin private dirty mappings become clean KOSAKI Motohiro
2010-09-15  0:24   ` KOSAKI Motohiro
2010-09-15  4:37   ` Nikanth Karthikesan
2010-09-15  4:37     ` Nikanth Karthikesan
2010-09-15  4:46     ` KOSAKI Motohiro
2010-09-15  4:46       ` KOSAKI Motohiro
2010-09-15  5:00       ` Nikanth Karthikesan
2010-09-15  5:00         ` Nikanth Karthikesan
2010-09-15  5:15         ` KOSAKI Motohiro
2010-09-15  5:15           ` KOSAKI Motohiro
2010-09-15  6:29           ` Nikanth Karthikesan
2010-09-15  6:29             ` Nikanth Karthikesan
2010-09-15  8:40         ` Richard Guenther
2010-09-15  8:40           ` Richard Guenther
2010-09-16  1:29           ` KOSAKI Motohiro
2010-09-16  1:29             ` KOSAKI Motohiro

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