From nobody Mon Jun 22 23:58:26 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D20DAC433EF for ; Tue, 15 Mar 2022 08:32:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346042AbiCOIcu (ORCPT ); Tue, 15 Mar 2022 04:32:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54976 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345966AbiCOIcT (ORCPT ); Tue, 15 Mar 2022 04:32:19 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 98F464C781; Tue, 15 Mar 2022 01:31:01 -0700 (PDT) Date: Tue, 15 Mar 2022 08:30:58 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1647333060; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=4SQfnyKRH2aoTVNEuheWRpZBUbdeJu9QhE6mbfGbRsc=; b=f84HL8MnV5HJD1DznK5i8P/AOSUvV9cflbDGeRqp5gJLMOshE4VRgry7LheEuZCr39TxfR BX89rboaZjiBaXWr5sx7X8DMcKiwFFXci5EDAvEtNFAmn0oRw7eHA8hyTYJIX+LuicdgTo pI8fqfzioJ56qStPqd8QFLCmssGy6sbiLKq0VGDzcxGPyGLpF9aU1ZK2744H7syDU4EaMi 58bkj+w4D+9VG6Ew6pRU2gzc1K3093xGTJb7U09ZFnGzuJElJ4iVwLV3xVaxUCFvMnR/f6 z5wdjVq+yJm9a63ceFPE/I34ZG96W3f+aAoqZbMaWe3Nr53ufHHXmIy1SA8Fiw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1647333060; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=4SQfnyKRH2aoTVNEuheWRpZBUbdeJu9QhE6mbfGbRsc=; b=Qhd9GtmR4T7zJCl7wp0YRmTPYBD1rW4hprfSOHfsh4635AWsTOyrB8ag8ZN90UGp1z84yb 701e4gXoxMCyvRDA== From: "tip-bot2 for Ingo Molnar" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: sched/core] sched/headers: Introduce kernel/sched/build_policy.c and build multiple .c files there Cc: Ingo Molnar , Peter Zijlstra , x86@kernel.org, linux-kernel@vger.kernel.org MIME-Version: 1.0 Message-ID: <164733305807.16921.4885277987837934842.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following commit has been merged into the sched/core branch of tip: Commit-ID: f96eca432015ddc1b621632488ebc345bca06791 Gitweb: https://git.kernel.org/tip/f96eca432015ddc1b621632488ebc345b= ca06791 Author: Ingo Molnar AuthorDate: Tue, 22 Feb 2022 13:46:03 +01:00 Committer: Ingo Molnar CommitterDate: Wed, 23 Feb 2022 10:58:33 +01:00 sched/headers: Introduce kernel/sched/build_policy.c and build multiple .c = files there Similarly to kernel/sched/build_utility.c, collect all 'scheduling policy' = related source code files into kernel/sched/build_policy.c: kernel/sched/idle.c kernel/sched/rt.c kernel/sched/cpudeadline.c kernel/sched/pelt.c kernel/sched/cputime.c kernel/sched/deadline.c With the exception of fair.c, which we continue to build as a separate file for build efficiency and parallelism reasons. Signed-off-by: Ingo Molnar Reviewed-by: Peter Zijlstra --- kernel/sched/Makefile | 2 +- kernel/sched/build_policy.c | 29 +++++++++++++++++++++++++++++ kernel/sched/cpudeadline.c | 1 - kernel/sched/cputime.c | 1 - kernel/sched/deadline.c | 2 -- kernel/sched/idle.c | 3 --- kernel/sched/pelt.c | 4 ---- kernel/sched/rt.c | 3 --- kernel/sched/sched.h | 8 ++++++++ 9 files changed, 38 insertions(+), 15 deletions(-) create mode 100644 kernel/sched/build_policy.c diff --git a/kernel/sched/Makefile b/kernel/sched/Makefile index 4a4785c..976092b 100644 --- a/kernel/sched/Makefile +++ b/kernel/sched/Makefile @@ -30,5 +30,5 @@ endif # obj-y +=3D core.o obj-y +=3D fair.o +obj-y +=3D build_policy.o obj-y +=3D build_utility.o -obj-y +=3D idle.o rt.o deadline.o cputime.o cpudeadline.o pelt.o diff --git a/kernel/sched/build_policy.c b/kernel/sched/build_policy.c new file mode 100644 index 0000000..6bb384d --- /dev/null +++ b/kernel/sched/build_policy.c @@ -0,0 +1,29 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * These are the scheduling policy related scheduler files, built + * in a single compilation unit for build efficiency reasons. + * + * ( Incidentally, the size of the compilation unit is roughly + * comparable to core.c and fair.c, the other two big + * compilation units. This helps balance build time, while + * coalescing source files to amortize header inclusion + * cost. ) + * + * core.c and fair.c are built separately. + */ + +#include "sched.h" +#include "pelt.h" + +#include "idle.c" + +#include "rt.c" + +#ifdef CONFIG_SMP +# include "cpudeadline.c" +# include "pelt.c" +#endif + +#include "cputime.c" +#include "deadline.c" + diff --git a/kernel/sched/cpudeadline.c b/kernel/sched/cpudeadline.c index 0e196f0..02d970a 100644 --- a/kernel/sched/cpudeadline.c +++ b/kernel/sched/cpudeadline.c @@ -6,7 +6,6 @@ * * Author: Juri Lelli */ -#include "sched.h" =20 static inline int parent(int i) { diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c index b7ec427..78a233d 100644 --- a/kernel/sched/cputime.c +++ b/kernel/sched/cputime.c @@ -2,7 +2,6 @@ /* * Simple CPU accounting cgroup controller */ -#include "sched.h" =20 #ifdef CONFIG_IRQ_TIME_ACCOUNTING =20 diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index d2c072b..fca2d7d 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -15,8 +15,6 @@ * Michael Trimarchi , * Fabio Checconi */ -#include "sched.h" -#include "pelt.h" =20 struct dl_bandwidth def_dl_bandwidth; =20 diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c index d17b0a5..8f8b502 100644 --- a/kernel/sched/idle.c +++ b/kernel/sched/idle.c @@ -6,9 +6,6 @@ * (NOTE: these are not related to SCHED_IDLE batch scheduled * tasks which are handled in sched/fair.c ) */ -#include "sched.h" - -#include =20 /* Linker adds these: start and end of __cpuidle functions */ extern char __cpuidle_text_start[], __cpuidle_text_end[]; diff --git a/kernel/sched/pelt.c b/kernel/sched/pelt.c index a554e3b..0f31076 100644 --- a/kernel/sched/pelt.c +++ b/kernel/sched/pelt.c @@ -24,10 +24,6 @@ * Author: Vincent Guittot */ =20 -#include -#include "sched.h" -#include "pelt.h" - /* * Approximate: * val * y^n, where y^32 ~=3D 0.5 (~1 scheduling period) diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 7b4f4fb..ff4c044 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -3,9 +3,6 @@ * Real-Time Scheduling Class (mapped to the SCHED_FIFO and SCHED_RR * policies) */ -#include "sched.h" - -#include "pelt.h" =20 int sched_rr_timeslice =3D RR_TIMESLICE; int sysctl_sched_rr_timeslice =3D (MSEC_PER_SEC / HZ) * RR_TIMESLICE; diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 79c7a8a..f7d10b9 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -13,6 +13,7 @@ #include #include #include +#include #include #include #include @@ -113,8 +114,11 @@ #include #include #include +#include +#include #include #include +#include #include #include #include @@ -126,12 +130,16 @@ #include #include #include +#include #include #include +#include +#include #include #include #include #include +#include #include #include #include