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#ifndef _BUFFERS_H #define _BUFFERS_H /* This inspired by rtai/shmem */ #define FIX_SIZE(x) (((x) - 1) & PAGE_MASK) + PAGE_SIZE extern int relay_mmap_buf(struct rchan_buf *buf, struct vm_area_struct *vma); extern struct rchan_buf *relay_create_buf(struct rchan *chan); extern void relay_destroy_buf(struct rchan_buf *buf); extern void relay_remove_buf(struct kref *kref); #endif/* _BUFFERS_H */