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From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Ingo Molnar <mingo@elte.hu>, linux-kernel@vger.kernel.org
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Anton Blanchard <anton@au1.ibm.com>,
	Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>,
	Suresh Siddha <suresh.b.siddha@intel.com>,
	Venkatesh Pallipadi <venki@google.com>,
	Paul Turner <pjt@google.com>, Mike Galbraith <efault@gmx.de>,
	Thomas Gleixner <tglx@linutronix.de>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	Andreas Herrmann <andreas.herrmann3@amd.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: [RFC][PATCH 14/14] sched: Remove some dead code
Date: Mon, 14 Mar 2011 16:06:27 +0100	[thread overview]
Message-ID: <20110314152227.668737930@chello.nl> (raw)
In-Reply-To: 20110314150613.749843433@chello.nl

[-- Attachment #1: sched-foo13.patch --]
[-- Type: text/plain, Size: 1967 bytes --]


Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
---
 include/linux/sched.h |    6 ------
 kernel/sched.c        |   16 ----------------
 2 files changed, 22 deletions(-)

Index: linux-2.6/include/linux/sched.h
===================================================================
--- linux-2.6.orig/include/linux/sched.h
+++ linux-2.6/include/linux/sched.h
@@ -881,9 +881,6 @@ struct sched_group {
 	 * NOTE: this field is variable length. (Allocated dynamically
 	 * by attaching extra space to the end of the structure,
 	 * depending on how many CPUs the kernel has booted up with)
-	 *
-	 * It is also be embedded into static data structures at build
-	 * time. (See 'struct static_sched_group' in kernel/sched.c)
 	 */
 	unsigned long cpumask[0];
 };
@@ -992,9 +989,6 @@ struct sched_domain {
 	 * NOTE: this field is variable length. (Allocated dynamically
 	 * by attaching extra space to the end of the structure,
 	 * depending on how many CPUs the kernel has booted up with)
-	 *
-	 * It is also be embedded into static data structures at build
-	 * time. (See 'struct static_sched_domain' in kernel/sched.c)
 	 */
 	unsigned long span[0];
 };
Index: linux-2.6/kernel/sched.c
===================================================================
--- linux-2.6.orig/kernel/sched.c
+++ linux-2.6/kernel/sched.c
@@ -6793,22 +6793,6 @@ static void sched_domain_node_span(int n
 
 int sched_smt_power_savings = 0, sched_mc_power_savings = 0;
 
-/*
- * The cpus mask in sched_group and sched_domain hangs off the end.
- *
- * ( See the the comments in include/linux/sched.h:struct sched_group
- *   and struct sched_domain. )
- */
-struct static_sched_group {
-	struct sched_group sg;
-	DECLARE_BITMAP(cpus, CONFIG_NR_CPUS);
-};
-
-struct static_sched_domain {
-	struct sched_domain sd;
-	DECLARE_BITMAP(span, CONFIG_NR_CPUS);
-};
-
 struct sd_data {
 	struct sched_domain **__percpu sd;
 	struct sched_group **__percpu sg;



  parent reply	other threads:[~2011-03-14 15:27 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-14 15:06 [RFC][PATCH 00/14] Rewrite sched_domain/sched_group creation Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 01/14] sched: Remove obsolete arch_ prefixes Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 02/14] sched: Simplify cpu_power initialization Peter Zijlstra
2011-03-14 21:35   ` Steven Rostedt
2011-03-14 21:46     ` Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 03/14] sched: Simplify build_sched_groups Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 04/14] sched: Change NODE sched_domain group creation Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 05/14] sched: Clean up some ALLNODES code Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 06/14] Simplify group creation Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 07/14] sched: Simplify finding the lowest sched_domain Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 08/14] sched: Simplify sched_groups_power initialization Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 09/14] sched: Dynamically allocate sched_domain/sched_group data-structures Peter Zijlstra
2011-03-18  9:08   ` Bharata B Rao
2011-03-18  9:37     ` Peter Zijlstra
2011-03-19  1:23   ` Venkatesh Pallipadi
2011-03-25 21:06     ` Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 10/14] sched: Simplify the free path some Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 11/14] sched: Reduce some allocation pressure Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 12/14] sched: Simplify NODE/ALLNODES domain creation Peter Zijlstra
2011-03-14 15:06 ` [RFC][PATCH 13/14] sched: Remove nodemask allocation Peter Zijlstra
2011-03-14 15:06 ` Peter Zijlstra [this message]
2011-03-25 21:46 ` [RFC][PATCH 00/14] Rewrite sched_domain/sched_group creation Peter Zijlstra
2011-03-25 21:53   ` Peter Zijlstra

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