The patch titled
Subject: doc, mm: clarify /proc/<pid>/oom_score value range
has been added to the -mm tree. Its filename is
doc-mm-clarify-proc-pid-oom_score-value-range.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/doc-mm-clarify-proc-pid-oom_score-value-range.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/doc-mm-clarify-proc-pid-oom_score-value-range.patch
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------------------------------------------------------
From: Michal Hocko <mhocko@xxxxxxxx>
Subject: doc, mm: clarify /proc/<pid>/oom_score value range
The exported value includes oom_score_adj so the range is no [0, 1000] as
described in the previous section but rather [0, 2000]. Mention that fact
explicitly.
Link: http://lkml.kernel.org/r/20200709062603.18480-2-mhocko@xxxxxxxxxx
Signed-off-by: Michal Hocko <mhocko@xxxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Yafang Shao <laoar.shao@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/filesystems/proc.rst | 3 +++
1 file changed, 3 insertions(+)
--- a/Documentation/filesystems/proc.rst~doc-mm-clarify-proc-pid-oom_score-value-range
+++ a/Documentation/filesystems/proc.rst
@@ -1673,6 +1673,9 @@ requires CAP_SYS_RESOURCE.
3.2 /proc/<pid>/oom_score - Display current oom-killer score
-------------------------------------------------------------
+Please note that the exported value includes oom_score_adj so it is effectively
+in range [0,2000].
+
This file can be used to check the current score used by the oom-killer is for
any given <pid>. Use it together with /proc/<pid>/oom_score_adj to tune which
process should be killed in an out-of-memory situation.
_
Patches currently in -mm which might be from mhocko@xxxxxxxx are
doc-mm-sync-up-oom_score_adj-documentation.patch
doc-mm-clarify-proc-pid-oom_score-value-range.patch
