linux-kernel - [clk:test-sched-packing-tasks-freq 10820/10847] kernel/sched/fair.c:199:1: sparse: symbol '__pcpu_scope_sd_pack_buddy' was not declared. Should it be static?

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Date:	Sat, 24 Jan 2015 10:44:57 +0800
From:	kbuild test robot <fengguang.wu@...el.com>
To:	Vincent Guittot <vincent.guittot@...aro.org>
Cc:	kbuild-all@...org, Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel@...r.kernel.org
Subject: [clk:test-sched-packing-tasks-freq 10820/10847]
 kernel/sched/fair.c:199:1: sparse: symbol '__pcpu_scope_sd_pack_buddy' was
 not declared. Should it be static?

tree:   https://git.linaro.org/people/mturquette/linux.git test-sched-packing-tasks-freq
head:   3add111981928a9ce810cd1b1956dc39e6c2445f
commit: 9cb183281a03911e724a648832d9f096c09197fe [10820/10847] sched: packing tasks
reproduce:
  # apt-get install sparse
  git checkout 9cb183281a03911e724a648832d9f096c09197fe
  make ARCH=x86_64 allmodconfig
  make C=1 CF=-D__CHECK_ENDIAN__

sparse warnings: (new ones prefixed by >>)

   kernel/sched/fair.c:51:14: sparse: symbol 'normalized_sysctl_sched_latency' was not declared. Should it be static?
   kernel/sched/fair.c:70:14: sparse: symbol 'normalized_sysctl_sched_min_granularity' was not declared. Should it be static?
   kernel/sched/fair.c:92:14: sparse: symbol 'normalized_sysctl_sched_wakeup_granularity' was not declared. Should it be static?
>> kernel/sched/fair.c:199:1: sparse: symbol '__pcpu_scope_sd_pack_buddy' was not declared. Should it be static?
   kernel/sched/sched.h:765:9: sparse: incompatible types in comparison expression (different address spaces)
   kernel/sched/fair.c:249:22: sparse: incompatible types in comparison expression (different address spaces)
   kernel/sched/fair.c:4993:14: sparse: incompatible types in comparison expression (different address spaces)
   kernel/sched/fair.c:1666:14: sparse: incompatible types in comparison expression (different address spaces)
   kernel/sched/fair.c:2168:15: sparse: incompatible types in comparison expression (different address spaces)
   kernel/sched/fair.c:7571:22: sparse: incompatible types in comparison expression (different address spaces)
   kernel/sched/fair.c:7586:9: sparse: incompatible types in comparison expression (different address spaces)
   kernel/sched/fair.c:5070:9: sparse: incompatible types in comparison expression (different address spaces)
   kernel/sched/fair.c:5126:17: sparse: incompatible types in comparison expression (different address spaces)
   kernel/sched/fair.c:5706:41: sparse: incompatible types in comparison expression (different address spaces)
   kernel/sched/fair.c:5742:41: sparse: incompatible types in comparison expression (different address spaces)
   kernel/sched/fair.c:7688:9: sparse: incompatible types in comparison expression (different address spaces)
   kernel/sched/fair.c:7755:17: sparse: incompatible types in comparison expression (different address spaces)
   kernel/sched/fair.c:7839:14: sparse: incompatible types in comparison expression (different address spaces)
   kernel/sched/fair.c:7727:16: sparse: incompatible types in comparison expression (different address spaces)
   kernel/sched/fair.c:7921:9: sparse: incompatible types in comparison expression (different address spaces)
   kernel/sched/fair.c:7727:16: sparse: incompatible types in comparison expression (different address spaces)
   kernel/sched/fair.c:7822:14: sparse: incompatible types in comparison expression (different address spaces)
   kernel/sched/fair.c:8091:14: sparse: incompatible types in comparison expression (different address spaces)
   kernel/sched/fair.c:8103:14: sparse: incompatible types in comparison expression (different address spaces)
   kernel/sched/fair.c:8112:14: sparse: incompatible types in comparison expression (different address spaces)

Please review and possibly fold the followup patch.

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