Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3A5F14FD275; Thu, 17 Sep 2026 17:28:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789666085; cv=none; b=bHtUB8TFGV+cXJqm7xSGQjMcXsN8dBMxhJa7jL6NMDC04bJkhyaIIMSGiF1Djzt5O55stCKd9083aJXOOVjtXZCYxZ+32WHAiQ5c4LVJZ0lm1H1wLhAfMOTHDrwDEkhVt53s+7NmKQ/R5nsR+oA5R1TOlnHzIvyN1U+L/OODW6A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789666085; c=relaxed/simple; bh=iKqyyy7SHuOeUsRaix/SqsWHqVTsU5fraOsGtx+7yjA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Bg2L2WpBQu3geS772HCZfXXUOm4fVFduKTB3Vk/dFjPBLkRhxz3NlYAFGKxsZpZGmYUIHA7KDfDGovcdpCtOkEk9n44K99cg/KYGCGVOm4CBko9VIkp36ySxcabTMSIYhmYYUTHxk9aHZF8GOI68tnSswl8bChylMOEa5cb6uxc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=mIf2oxz+; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="mIf2oxz+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B86B11F000FF; Thu, 17 Sep 2026 17:28:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789666084; bh=fdWgrq2WMWRF+a02osTsDNjf/qgknQyTDy98DERhof0=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=mIf2oxz+DaiPLGC/148+SacRcDOmONOjFQzKAWVK69snUdSwHghnI2TnwgXjFnqso s1HCe5eOAwSgXLexv3WpQFQs1J2CedAs9cYts8sIgZmD5u0jDSc0SJhmYiAu687exs M7yOZocXs/Wl9wJu0KrJbTCrf7FEGdQFoDKyBRO0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Vincent Guittot , "Peter Zijlstra (Intel)" , K Prateek Nayak , Sasha Levin Subject: [PATCH 6.18 0919/1250] sched/eevdf: Fix augmented max_slice Date: Thu, 17 Sep 2026 16:11:54 +0100 Message-ID: <20260917151616.912766291@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260917151551.901433442@linuxfoundation.org> References: <20260917151551.901433442@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Vincent Guittot [ Upstream commit 9a8bc9bb4c3fb3218b4f151f98a722fbeb5b5c34 ] Similarly to se->min_slice, init se->max_slice with se->slice before enqueueing the entity so the augmented callback computes it correctly at parent level. Fixes: 6e3c0a4e1ad1 ("sched/fair: Fix lag clamp") Signed-off-by: Vincent Guittot Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: K Prateek Nayak Link: https://patch.msgid.link/20260907123855.1297976-1-vincent.guittot@linaro.org Signed-off-by: Sasha Levin --- kernel/sched/fair.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 2aeb12a6ce2d0..92ef592d97b69 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -921,6 +921,8 @@ static void __enqueue_entity(struct cfs_rq *cfs_rq, struct sched_entity *se) sum_w_vruntime_add(cfs_rq, se); se->min_vruntime = se->vruntime; se->min_slice = se->slice; + se->max_slice = se->slice; + rb_add_augmented_cached(&se->run_node, &cfs_rq->tasks_timeline, __entity_less, &min_vruntime_cb); } -- 2.53.0