103     LLHEAD(smm_buffer) allocd;
109 struct smm_buffer {  struct
112     LLLINK(smm_buffer) pool;  argument
113     LLLINK(smm_buffer) use;
114     LLLINK(smm_buffer) age;
121     LLHEAD(smm_buffer) unused;
122     LLHEAD(smm_buffer) inuse;
123     LLHEAD(smm_buffer) history;
127 static size_t calc_buffer_size(struct smm_buffer * buf);
128 static void purge_history(struct smm_buffer * buf);
129 static struct smm_buffer * get_from_pool(struct smm_group * grp);
130 static void return_to_pool(struct smm_buffer * buf);
133 static struct smm_buffer * alloc_buffer(struct smm_buffer * last, size_t offset);
134 static void free_buffer(struct smm_buffer * buf);
197     struct smm_buffer * buf;  in smm_resize()
219     struct smm_buffer * buf;  in smm_destroy()
244     struct smm_buffer * buf;  in smm_acquire()
283     struct smm_buffer * mbuf = buf;  in smm_map()
322     struct smm_buffer * rbuf = buf;  in smm_release()
359     struct smm_buffer * ibuf;  in smm_next()
360     struct smm_buffer * nbuf = buf;  in smm_next()
373 void purge_history(struct smm_buffer * buf)  in purge_history()
375     struct smm_buffer * ibuf;  in purge_history()
390 size_t calc_buffer_size(struct smm_buffer * buf)  in calc_buffer_size()
406 struct smm_buffer * get_from_pool(struct smm_group * grp)  in get_from_pool()
410     struct smm_buffer * buf;  in get_from_pool()
411     struct smm_buffer * last = NULL;  in get_from_pool()
530 void return_to_pool(struct smm_buffer * buf)  in return_to_pool()
637 struct smm_buffer * alloc_buffer(struct smm_buffer * last, size_t offset)  in alloc_buffer()
639     struct smm_buffer * buf;  in alloc_buffer()
648     buf = malloc(sizeof(struct smm_buffer));  in alloc_buffer()
665 void free_buffer(struct smm_buffer * buf)  in free_buffer()