lkml.org 
[lkml]   [2015]   [Aug]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v3 1/4] mm, documentation: clarify /proc/pid/status VmSwap limitations
Date
The documentation for /proc/pid/status does not mention that the value of
VmSwap counts only swapped out anonymous private pages and not shmem. This is
not obvious, so document this limitation.

Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
---
Documentation/filesystems/proc.txt | 2 ++
1 file changed, 2 insertions(+)

diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index d411ca6..29f4011 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -237,6 +237,8 @@ Table 1-2: Contents of the status files (as of 4.1)
VmPTE size of page table entries
VmPMD size of second level page tables
VmSwap size of swap usage (the number of referred swapents)
+ by anonymous private data (shmem swap usage is not
+ included)
Threads number of threads
SigQ number of signals queued/max. number for queue
SigPnd bitmap of pending signals for the thread
--
2.4.6


\
 
 \ /
  Last update: 2015-08-05 15:21    [W:0.262 / U:0.096 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site