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Date:   Tue, 11 Aug 2020 18:31:28 -0700
From:   Andrew Morton <akpm@linux-foundation.org>
To:     akpm@linux-foundation.org, corbet@lwn.net, laoar.shao@gmail.com,
        linux-mm@kvack.org, mhocko@suse.com, mm-commits@vger.kernel.org,
        rientjes@google.com, torvalds@linux-foundation.org
Subject:  [patch 023/165] doc, mm: clarify /proc/<pid>/oom_score
 value range
Message-ID: <20200812013128.TFhR9DDig%akpm@linux-foundation.org>
In-Reply-To: <20200811182949.e12ae9a472e3b5e27e16ad6c@linux-foundation.org>
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From: Michal Hocko <mhocko@suse.com>
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@kernel.org
Signed-off-by: Michal Hocko <mhocko@suse.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: David Rientjes <rientjes@google.com>
Cc: Yafang Shao <laoar.shao@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 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
@@ -1676,6 +1676,9 @@ This file can be used to check the curre
 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.
 
+Please note that the exported value includes oom_score_adj so it is
+effectively in range [0,2000].
+
 
 3.3  /proc/<pid>/io - Display the IO accounting fields
 -------------------------------------------------------
_