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| author | Nikanth Karthikesan <knikanth@suse.de> | 2011-01-13 15:45:53 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-13 17:32:33 -0800 |
| commit | 2d90508f638241a2e7422d884767398296ebe720 (patch) | |
| tree | 5b80c4919d924ab76c02b629465cbc7820010a53 /Documentation | |
| parent | 62c70bce8ac236514c610020bb1ae5b8bde965cb (diff) | |
| download | linux-2d90508f638241a2e7422d884767398296ebe720.tar.gz | |
mm: smaps: export mlock information
Currently there is no way to find whether a process has locked its pages in memory or not. And which of the memory regions are locked in memory. Add a new field "Locked" to export this information via the smaps file. Signed-off-by: Nikanth Karthikesan <knikanth@suse.de> Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com> Acked-by: Wu Fengguang <fengguang.wu@intel.com> Cc: Matt Mackall <mpm@selenic.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.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index 9471225212c4..ef757fca470b 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt @@ -375,6 +375,7 @@ Anonymous: 0 kB Swap: 0 kB KernelPageSize: 4 kB MMUPageSize: 4 kB +Locked: 374 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 @@ -670,6 +671,8 @@ varies by architecture and compile options. The following is from a > cat /proc/meminfo +The "Locked" indicates whether the mapping is locked in memory or not. + MemTotal: 16344972 kB MemFree: 13634064 kB |