#ifdef CONFIG_SMP
#define smp_mb() mb()
#define smp_rmb() rmb()
-#define smp_wmb() __asm__ __volatile__ ("eieio" : : : "memory")
+#define smp_wmb() eieio()
#define smp_read_barrier_depends() read_barrier_depends()
#else
#define smp_mb() barrier()
extern struct task_struct *_switch(struct thread_struct *prev,
struct thread_struct *next);
-/*
- * On SMP systems, when the scheduler does migration-cost autodetection,
- * it needs a way to flush as much of the CPU's caches as possible.
- *
- * TODO: fill this in!
- */
-static inline void sched_cacheflush(void)
-{
-}
-
extern unsigned int rtas_data;
extern int mem_init_done; /* set on boot once kmalloc can be called */
extern unsigned long memory_limit;
extern unsigned long klimit;
+extern void *alloc_maybe_bootmem(size_t size, gfp_t mask);
+extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask);
+
extern int powersave_nap; /* set if nap mode can be used in idle loop */
/*
(unsigned long)_x_, sizeof(*(ptr))); \
})
-#define tas(ptr) (xchg((ptr),1))
-
/*
* Compare and exchange - if *p == old, set it to new,
* and return the old value of *p.
extern void account_system_vtime(struct task_struct *);
#endif
+extern struct dentry *powerpc_debugfs_root;
+
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_SYSTEM_H */