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[87.176.189.159]) by smtp.gmail.com with ESMTPSA id c19-20020a170906155300b006fea43db5c1sm697779ejd.21.2022.06.24.01.04.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Jun 2022 01:04:49 -0700 (PDT) From: " =?utf-8?q?Christian_K=C3=B6nig?= " X-Google-Original-From: =?utf-8?q?Christian_K=C3=B6nig?= To: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, nouveau@lists.freedesktop.org, linux-tegra@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, dri-devel@lists.freedesktop.org Date: Fri, 24 Jun 2022 10:04:32 +0200 Message-Id: <20220624080444.7619-3-christian.koenig@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220624080444.7619-1-christian.koenig@amd.com> References: <20220624080444.7619-1-christian.koenig@amd.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 02/14] oom: take per file RSS into account X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andrey Grodzovsky , mhocko@suse.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Andrey Grodzovsky Try to make better decisions which process to kill based on per file RSS. Signed-off-by: Andrey Grodzovsky --- mm/oom_kill.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 3c6cf9e3cd66..76a5ea73eb6a 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -18,6 +18,7 @@ * kernel subsystems and hints as to where to find out what things do. */ +#include #include #include #include @@ -228,7 +229,8 @@ long oom_badness(struct task_struct *p, unsigned long totalpages) * task's rss, pagetable and swap space use. */ points = get_mm_rss(p->mm) + get_mm_counter(p->mm, MM_SWAPENTS) + - mm_pgtables_bytes(p->mm) / PAGE_SIZE; + files_rss(p->files) + mm_pgtables_bytes(p->mm) / PAGE_SIZE; + task_unlock(p); /* Normalize to oom_score_adj units */ @@ -401,8 +403,8 @@ static int dump_task(struct task_struct *p, void *arg) pr_info("[%7d] %5d %5d %8lu %8lu %8ld %8lu %5hd %s\n", task->pid, from_kuid(&init_user_ns, task_uid(task)), - task->tgid, task->mm->total_vm, get_mm_rss(task->mm), - mm_pgtables_bytes(task->mm), + task->tgid, task->mm->total_vm, get_mm_rss(task->mm) + + files_rss(task->files), mm_pgtables_bytes(task->mm), get_mm_counter(task->mm, MM_SWAPENTS), task->signal->oom_score_adj, task->comm); task_unlock(task); @@ -594,7 +596,8 @@ static bool oom_reap_task_mm(struct task_struct *tsk, struct mm_struct *mm) pr_info("oom_reaper: reaped process %d (%s), now anon-rss:%lukB, file-rss:%lukB, shmem-rss:%lukB\n", task_pid_nr(tsk), tsk->comm, K(get_mm_counter(mm, MM_ANONPAGES)), - K(get_mm_counter(mm, MM_FILEPAGES)), + K(get_mm_counter(mm, MM_FILEPAGES) + + files_rss(tsk->files)), K(get_mm_counter(mm, MM_SHMEMPAGES))); out_finish: trace_finish_task_reaping(tsk->pid); @@ -950,7 +953,7 @@ static void __oom_kill_process(struct task_struct *victim, const char *message) pr_err("%s: Killed process %d (%s) total-vm:%lukB, anon-rss:%lukB, file-rss:%lukB, shmem-rss:%lukB, UID:%u pgtables:%lukB oom_score_adj:%hd\n", message, task_pid_nr(victim), victim->comm, K(mm->total_vm), K(get_mm_counter(mm, MM_ANONPAGES)), - K(get_mm_counter(mm, MM_FILEPAGES)), + K(get_mm_counter(mm, MM_FILEPAGES) + files_rss(victim->files)), K(get_mm_counter(mm, MM_SHMEMPAGES)), from_kuid(&init_user_ns, task_uid(victim)), mm_pgtables_bytes(mm) >> 10, victim->signal->oom_score_adj);