kmap_lock         127 mm/highmem.c   static  __cacheline_aligned_in_smp DEFINE_SPINLOCK(kmap_lock);
kmap_lock         137 mm/highmem.c   #define lock_kmap()             spin_lock_irq(&kmap_lock)
kmap_lock         138 mm/highmem.c   #define unlock_kmap()           spin_unlock_irq(&kmap_lock)
kmap_lock         139 mm/highmem.c   #define lock_kmap_any(flags)    spin_lock_irqsave(&kmap_lock, flags)
kmap_lock         140 mm/highmem.c   #define unlock_kmap_any(flags)  spin_unlock_irqrestore(&kmap_lock, flags)
kmap_lock         142 mm/highmem.c   #define lock_kmap()             spin_lock(&kmap_lock)
kmap_lock         143 mm/highmem.c   #define unlock_kmap()           spin_unlock(&kmap_lock)
kmap_lock         145 mm/highmem.c   		do { spin_lock(&kmap_lock); (void)(flags); } while (0)
kmap_lock         147 mm/highmem.c   		do { spin_unlock(&kmap_lock); (void)(flags); } while (0)