Mempool: simplify memory chunk list building
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@ -186,12 +186,9 @@ static BLI_mempool_chunk *mempool_chunk_alloc(BLI_mempool *pool)
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*
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* \param pool The pool to add the chunk into.
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* \param mpchunk The new uninitialized chunk (can be malloc'd)
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* \param lasttail The last element of the previous chunk
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* (used when building free chunks initially)
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* \return The last chunk,
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*/
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static BLI_freenode *mempool_chunk_add(BLI_mempool *pool, BLI_mempool_chunk *mpchunk,
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BLI_freenode *lasttail)
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static void mempool_chunk_add(BLI_mempool *pool, BLI_mempool_chunk *mpchunk)
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{
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const unsigned int esize = pool->esize;
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BLI_freenode *curnode = CHUNK_DATA(mpchunk);
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@ -209,10 +206,6 @@ static BLI_freenode *mempool_chunk_add(BLI_mempool *pool, BLI_mempool_chunk *mpc
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mpchunk->next = NULL;
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pool->chunk_tail = mpchunk;
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if (UNLIKELY(pool->free == NULL)) {
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pool->free = curnode;
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}
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/* loop through the allocated data, building the pointer structures */
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j = pool->pchunk;
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if (pool->flag & BLI_MEMPOOL_ALLOW_ITER) {
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@ -229,21 +222,15 @@ static BLI_freenode *mempool_chunk_add(BLI_mempool *pool, BLI_mempool_chunk *mpc
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}
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}
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/* terminate the list (rewind one)
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* will be overwritten if 'curnode' gets passed in again as 'lasttail' */
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/* terminate the list (rewind one) */
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curnode = NODE_STEP_PREV(curnode);
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curnode->next = NULL;
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/* 'pool->free' may be NULL, in this case its terminating the list */
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curnode->next = pool->free;
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pool->free = CHUNK_DATA(mpchunk);
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#ifdef USE_TOTALLOC
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pool->totalloc += pool->pchunk;
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#endif
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/* final pointer in the previously allocated chunk is wrong */
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if (lasttail) {
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lasttail->next = CHUNK_DATA(mpchunk);
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}
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return curnode;
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}
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static void mempool_chunk_free(BLI_mempool_chunk *mpchunk)
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@ -269,7 +256,6 @@ BLI_mempool *BLI_mempool_create(unsigned int esize, unsigned int totelem,
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unsigned int pchunk, unsigned int flag)
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{
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BLI_mempool *pool;
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BLI_freenode *lasttail = NULL;
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unsigned int i, maxchunks;
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/* allocate the pool structure */
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@ -315,7 +301,7 @@ BLI_mempool *BLI_mempool_create(unsigned int esize, unsigned int totelem,
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/* allocate the actual chunks */
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for (i = 0; i < maxchunks; i++) {
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BLI_mempool_chunk *mpchunk = mempool_chunk_alloc(pool);
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lasttail = mempool_chunk_add(pool, mpchunk, lasttail);
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mempool_chunk_add(pool, mpchunk);
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}
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}
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@ -333,7 +319,7 @@ void *BLI_mempool_alloc(BLI_mempool *pool)
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if (UNLIKELY(pool->free == NULL)) {
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/* need to allocate a new chunk */
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BLI_mempool_chunk *mpchunk = mempool_chunk_alloc(pool);
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mempool_chunk_add(pool, mpchunk, NULL);
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mempool_chunk_add(pool, mpchunk);
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}
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free_pop = pool->free;
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@ -613,7 +599,6 @@ void BLI_mempool_clear_ex(BLI_mempool *pool, const int totelem_reserve)
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unsigned int maxchunks;
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BLI_mempool_chunk *chunks_temp;
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BLI_freenode *lasttail = NULL;
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#ifdef WITH_MEM_VALGRIND
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VALGRIND_DESTROY_MEMPOOL(pool);
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@ -654,7 +639,7 @@ void BLI_mempool_clear_ex(BLI_mempool *pool, const int totelem_reserve)
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while ((mpchunk = chunks_temp)) {
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chunks_temp = mpchunk->next;
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lasttail = mempool_chunk_add(pool, mpchunk, lasttail);
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mempool_chunk_add(pool, mpchunk);
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}
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}
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