Remove mempools and buf freelists

They have been off-by-default since 0.2.5 and nobody has complained. :)

Also remove the buf_shrink() function, which hasn't done anything
since we first stopped using contiguous memory to store buffers.

Closes ticket 14848.

1 files changed, 2 insertions, 5 deletions

diff --git a/src/or/buffers.h b/src/or/buffers.h
index 6dd3d1762b..6d0c68500b 100644
--- a/src/or/buffers.h
+++ b/src/or/buffers.h
@@ -20,9 +20,6 @@ size_t buf_get_default_chunk_size(const buf_t *buf);
 void buf_free(buf_t *buf);
 void buf_clear(buf_t *buf);
 buf_t *buf_copy(const buf_t *buf);
-void buf_shrink(buf_t *buf);
-size_t buf_shrink_freelists(int free_all);
-void buf_dump_freelist_sizes(int severity);
 
 MOCK_DECL(size_t, buf_datalen, (const buf_t *buf));
 size_t buf_allocation(const buf_t *buf);
@@ -108,9 +105,9 @@ STATIC void buf_pullup(buf_t *buf, size_t bytes, int nulterminate);
 void buf_get_first_chunk_data(const buf_t *buf, const char **cp, size_t *sz);
 
 #define DEBUG_CHUNK_ALLOC
-/** A single chunk on a buffer or in a freelist. */
+/** A single chunk on a buffer. */
 typedef struct chunk_t {
-  struct chunk_t *next; /**< The next chunk on the buffer or freelist. */
+  struct chunk_t *next; /**< The next chunk on the buffer. */
   size_t datalen; /**< The number of bytes stored in this chunk */
   size_t memlen; /**< The number of usable bytes of storage in <b>mem</b>. */
 #ifdef DEBUG_CHUNK_ALLOC