From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-179.mta1.migadu.com (out-179.mta1.migadu.com [95.215.58.179]) (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 20BE2198A0B for ; Wed, 5 Jun 2024 13:36:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.179 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717594582; cv=none; b=Z6qhfPj/fP4XiL8YMbZ3U+/F6oRfbjivBFFGWxk+0G3k8PHXYLNCSLbKeiTbLDdU6AUIbYgRVVSycSDfhjPGY3g0o/VeW6WEn9kOTj+NfbO/vP7aTBW1wy4GwNUoQHf0l3CqhvKSxN6amgk3t3c8Udc562UCC1nM6EXr8j58jyc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717594582; c=relaxed/simple; bh=sGv+N55Q2rZgDMfFjYuk8xsT2jB+v5TY0XXkptLRJOk=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=HDsSZiASARNnagXocRtDFK43JucaS5BtS+zVWhDH6su3h2s3ia0aZ4nt1ClPtD8hEHQiW1LWi0jxeVS3OTFUM/Yj1DTZGTbKOCoJhYldifBaGMA7HHfaNlFgpgcl1J4tUiGR52S1CkUKiltl4ZiqTKDwMAf/NEFSJaA4dK/Oa3U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=ncL2/DUB; arc=none smtp.client-ip=95.215.58.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="ncL2/DUB" X-Envelope-To: mingo@redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1717594578; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=hrf+zl1mmCUKsWQ2WPVS2iGG+jTHqzDmgKvRRAsUmSQ=; b=ncL2/DUBvAHHX2VW2rSPBfwYNc+IxtgVIdWgfRgAI1P82rk68hlom7NoI4I7Jwi27YoqSQ K0Jrc2dnnp7wJvzvD+7PcuZO/WbsMkgeynb8JsKYfQGsr9ldyyP3/wm9RvmmaeYmiiP1zt WjA1zWR+UoNxDceE4w6BH8stHTv73II= X-Envelope-To: peterz@infradead.org X-Envelope-To: juri.lelli@redhat.com X-Envelope-To: vincent.guittot@linaro.org X-Envelope-To: dietmar.eggemann@arm.com X-Envelope-To: rostedt@goodmis.org X-Envelope-To: bsegall@google.com X-Envelope-To: mgorman@suse.de X-Envelope-To: bristot@redhat.com X-Envelope-To: vschneid@redhat.com X-Envelope-To: linux-kernel@vger.kernel.org X-Envelope-To: yajun.deng@linux.dev X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Yajun Deng To: mingo@redhat.com, peterz@infradead.org, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, bristot@redhat.com, vschneid@redhat.com Cc: linux-kernel@vger.kernel.org, Yajun Deng Subject: [PATCH v2 0/2] sched/rt: Move sched_rt_entity::back to CONFIG_RT_GROUP_SCHED Date: Wed, 5 Jun 2024 21:35:55 +0800 Message-Id: <20240605133557.2984-1-yajun.deng@linux.dev> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT The 'back' member in struct sched_rt_entity only related to RT_GROUP_SCHED, it should not place out of RT_GROUP_SCHED, move 'back' to RT_GROUP_SCHED. It will save a few bytes. v1 -> v2: - introduce rt_se_back() helper function. Yajun Deng (2): sched/rt: Use 'back' only if CONFIG_RT_GROUP_SCHED is enabled sched/headers: Move sched_rt_entity::back to under the CONFIG_RT_GROUP_SCHED block include/linux/sched.h | 2 +- kernel/sched/rt.c | 22 ++++++++++++++++------ 2 files changed, 17 insertions(+), 7 deletions(-) -- 2.25.1