delete the unused mempool compress feature

git-svn-id: file:///svn/tokudb@5439 c7de825b-a66e-492c-adef-691d508d4ae1

newbrt/mempool.c

@@ -12,23 +12,12 @@ void toku_mempool_init(struct mempool *mp, void *base, size_t size) {
     mp->size = size;
     mp->free_offset = 0;
     mp->frag_size = 0;
-    mp->compress_func = 0;
-    mp->compress_arg = 0;
 }
 
 void toku_mempool_fini(struct mempool *mp __attribute__((unused))) {
     // printf("mempool_fini %p %p %d %d\n", mp, mp->base, mp->size, mp->frag_size);
 }
 
-void toku_mempool_set_compress_func(struct mempool *mp, mempool_compress_func compress_func, void *compress_arg) {
-    mp->compress_func = compress_func;
-    mp->compress_arg = compress_arg;
-}
-
-void toku_mempool_call_compress_func(struct mempool *mp) {
-    mp->compress_func(mp, mp->compress_arg);
-}
-
 void *toku_mempool_get_base(struct mempool *mp) {
     return mp->base;
 }

newbrt/mempool.h

@@ -12,15 +12,11 @@
 
 struct mempool;
 
-typedef int (*mempool_compress_func)(struct mempool *mp, void *arg);
-
 struct mempool {
     void *base;           /* the base address of the memory */
     size_t free_offset;      /* the offset of the memory pool free space */
     size_t size;             /* the size of the memory */
     size_t frag_size;        /* the size of the fragmented memory */
-    mempool_compress_func compress_func;
-    void *compress_arg;
 };
 
 /* initialize the memory pool with the base address and size of a
@@ -30,10 +26,6 @@ void toku_mempool_init(struct mempool *mp, void *base, size_t size);
 /* finalize the memory pool */
 void toku_mempool_fini(struct mempool *mp);
 
-void toku_mempool_set_compress_func(struct mempool *mp, mempool_compress_func compress_func, void *compress_arg);
-
-void toku_mempool_call_compress_func(struct mempool *mp);
-
 /* get the base address of the memory pool */
 void *toku_mempool_get_base(struct mempool *mp);
 
@@ -51,6 +43,7 @@ void *toku_mempool_malloc(struct mempool *mp, size_t size, int alignment);
    pool does not keep track of the locations of the free chunks */
 void toku_mempool_mfree(struct mempool *mp, void *vp, int size);
 
+/* verify that a memory range is contained within a mempool */
 static inline int toku_mempool_inrange(struct mempool *mp, void *vp, int size) {
     return mp->base <= vp && vp + size <= mp->base + mp->size;
 }