92 struct sf_buf {  struct
93 	LIST_ENTRY(sf_buf)	list_entry;	/* list of buffers */
94 	TAILQ_ENTRY(sf_buf)	free_entry;	/* list of buffers */
103 struct sf_buf;  argument
111 struct sf_buf *sf_buf_alloc(struct vm_page *, int);
112 void sf_buf_free(struct sf_buf *);
113 void sf_buf_ref(struct sf_buf *);
116 sf_buf_kva(struct sf_buf *sf)  in sf_buf_kva()
125 sf_buf_page(struct sf_buf *sf)  in sf_buf_page()
137 sf_buf_map(struct sf_buf *sf, int flags)  in sf_buf_map()
144 sf_buf_unmap(struct sf_buf *sf)  in sf_buf_unmap()
152 void sf_buf_shootdown(struct sf_buf *, int);
156 boolean_t sf_buf_process_page(vm_page_t, void (*)(struct sf_buf *));
161 static inline struct sf_buf *
165 	return ((struct sf_buf *)m);  in sf_buf_alloc()
169 sf_buf_free(struct sf_buf *sf)  in sf_buf_free()
174 sf_buf_ref(struct sf_buf *sf)  in sf_buf_ref()