Move all sources to 'src/'

[lttng-ust.git] / liblttng-ust / rculfhash-mm-chunk.c

diff --git a/liblttng-ust/rculfhash-mm-chunk.c b/liblttng-ust/rculfhash-mm-chunk.c
deleted file mode 100644 (file)
index dbf65c2..0000000
--- a/liblttng-ust/rculfhash-mm-chunk.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * SPDX-License-Identifier: LGPL-2.1-or-later
- *
- * Copyright 2011 Lai Jiangshan <laijs@cn.fujitsu.com>
- *
- * Chunk based memory management for Lock-Free RCU Hash Table
- */
-
-#include <stddef.h>
-#include "rculfhash-internal.h"
-
-static
-void lttng_ust_lfht_alloc_bucket_table(struct lttng_ust_lfht *ht, unsigned long order)
-{
-       if (order == 0) {
-               ht->tbl_chunk[0] = calloc(ht->min_nr_alloc_buckets,
-                       sizeof(struct lttng_ust_lfht_node));
-               assert(ht->tbl_chunk[0]);
-       } else if (order > ht->min_alloc_buckets_order) {
-               unsigned long i, len = 1UL << (order - 1 - ht->min_alloc_buckets_order);
-
-               for (i = len; i < 2 * len; i++) {
-                       ht->tbl_chunk[i] = calloc(ht->min_nr_alloc_buckets,
-                               sizeof(struct lttng_ust_lfht_node));
-                       assert(ht->tbl_chunk[i]);
-               }
-       }
-       /* Nothing to do for 0 < order && order <= ht->min_alloc_buckets_order */
-}
-
-/*
- * lttng_ust_lfht_free_bucket_table() should be called with decreasing order.
- * When lttng_ust_lfht_free_bucket_table(0) is called, it means the whole
- * lfht is destroyed.
- */
-static
-void lttng_ust_lfht_free_bucket_table(struct lttng_ust_lfht *ht, unsigned long order)
-{
-       if (order == 0)
-               poison_free(ht->tbl_chunk[0]);
-       else if (order > ht->min_alloc_buckets_order) {
-               unsigned long i, len = 1UL << (order - 1 - ht->min_alloc_buckets_order);
-
-               for (i = len; i < 2 * len; i++)
-                       poison_free(ht->tbl_chunk[i]);
-       }
-       /* Nothing to do for 0 < order && order <= ht->min_alloc_buckets_order */
-}
-
-static
-struct lttng_ust_lfht_node *bucket_at(struct lttng_ust_lfht *ht, unsigned long index)
-{
-       unsigned long chunk, offset;
-
-       chunk = index >> ht->min_alloc_buckets_order;
-       offset = index & (ht->min_nr_alloc_buckets - 1);
-       return &ht->tbl_chunk[chunk][offset];
-}
-
-static
-struct lttng_ust_lfht *alloc_lttng_ust_lfht(unsigned long min_nr_alloc_buckets,
-               unsigned long max_nr_buckets)
-{
-       unsigned long nr_chunks, lttng_ust_lfht_size;
-
-       min_nr_alloc_buckets = max(min_nr_alloc_buckets,
-                               max_nr_buckets / MAX_CHUNK_TABLE);
-       nr_chunks = max_nr_buckets / min_nr_alloc_buckets;
-       lttng_ust_lfht_size = offsetof(struct lttng_ust_lfht, tbl_chunk) +
-                       sizeof(struct lttng_ust_lfht_node *) * nr_chunks;
-       lttng_ust_lfht_size = max(lttng_ust_lfht_size, sizeof(struct lttng_ust_lfht));
-
-       return __default_alloc_lttng_ust_lfht(
-                       &lttng_ust_lfht_mm_chunk, lttng_ust_lfht_size,
-                       min_nr_alloc_buckets, max_nr_buckets);
-}
-
-const struct lttng_ust_lfht_mm_type lttng_ust_lfht_mm_chunk = {
-       .alloc_lttng_ust_lfht = alloc_lttng_ust_lfht,
-       .alloc_bucket_table = lttng_ust_lfht_alloc_bucket_table,
-       .free_bucket_table = lttng_ust_lfht_free_bucket_table,
-       .bucket_at = bucket_at,
-};