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Commit e48b3dee authored by Matthew Wilcox's avatar Matthew Wilcox Committed by Matthew Wilcox
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Add semaphore.h to kernel_lock.c



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: default avatarMatthew Wilcox <willy@linux.intel.com>
parent 8b91de2e
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