[tip:sched/core] sched/core, ARM: Include linux/preempt.h from asm/mmu_context.h

[tip-bot for Andy Lutomirski]

Commit-ID:  88f10e37e150569a390be7a6161fa0f26b7372e9
Gitweb:     http://git.kernel.org/tip/88f10e37e150569a390be7a6161fa0f26b7372e9
Author:     Andy Lutomirski <luto@xxxxxxxxxx>
AuthorDate: Tue, 26 Apr 2016 09:39:05 -0700
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Thu, 28 Apr 2016 11:08:41 +0200

sched/core, ARM: Include linux/preempt.h from asm/mmu_context.h

arm's mmu_context.h uses preempt_enable_no_resched and but doesn't
include anything that would pull in the declaration.

If I start including <asm/mmu_context.h> from <linux/mmu_context.h>
without this, the build breaks.

Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>
Reviewed-by: Borislav Petkov <bp@xxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/5b95730a70f2dafe12d4fbf38d20eb7330d67ba3.1461688545.git.luto@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 arch/arm/include/asm/mmu_context.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/include/asm/mmu_context.h b/arch/arm/include/asm/mmu_context.h
index fa5b42d..ed73bab 100644
--- a/arch/arm/include/asm/mmu_context.h
+++ b/arch/arm/include/asm/mmu_context.h
@@ -15,6 +15,7 @@
 
 #include <linux/compiler.h>
 #include <linux/sched.h>
+#include <linux/preempt.h>
 #include <asm/cacheflush.h>
 #include <asm/cachetype.h>
 #include <asm/proc-fns.h>