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Add semaphore.h to kernel_lock.c

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kernel_lock.c uses DECLARE_MUTEX, up() and down() without explicitly
including asm/semaphore.h.  This is fragile and leaves it vulnerable
to breakage during header reorganisations.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
This commit is contained in:
Matthew Wilcox
2008-02-26 18:34:25 -05:00
committed by Matthew Wilcox
parent 8b91de2e58
commit e48b3deee4
1 changed files with 1 additions and 0 deletions
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1
lib/kernel_lock.c
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@@ -8,6 +8,7 @@
#include <linux/smp_lock.h>
#include <linux/module.h>
#include <linux/kallsyms.h>
#include <asm/semaphore.h>
/*
* The 'big kernel semaphore'