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[37.188.179.51]) by smtp.gmail.com with ESMTPSA id p4sm4178410wrx.63.2020.07.08.23.26.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Jul 2020 23:26:14 -0700 (PDT) From: Michal Hocko To: Jonathan Corbet , Andrew Morton Cc: David Rientjes , Yafang Shao , , LKML , Michal Hocko Subject: [PATCH 2/2] doc, mm: clarify /proc//oom_score value range Date: Thu, 9 Jul 2020 08:26:03 +0200 Message-Id: <20200709062603.18480-2-mhocko@kernel.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200709062603.18480-1-mhocko@kernel.org> References: <20200709062603.18480-1-mhocko@kernel.org> MIME-Version: 1.0 X-Rspamd-Queue-Id: 262F637608 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam05 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Michal Hocko 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. Signed-off-by: Michal Hocko --- Documentation/filesystems/proc.rst | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst index 8e3b5dffcfa8..78a0dec323a3 100644 --- a/Documentation/filesystems/proc.rst +++ b/Documentation/filesystems/proc.rst @@ -1673,6 +1673,9 @@ requires CAP_SYS_RESOURCE. 3.2 /proc//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 . Use it together with /proc//oom_score_adj to tune which process should be killed in an out-of-memory situation.