Move all sources to 'src/'

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

diff --git a/liblttng-ust/rculfhash-mm-order.c b/liblttng-ust/rculfhash-mm-order.c
deleted file mode 100644 (file)
index 2a392e0..0000000
--- a/liblttng-ust/rculfhash-mm-order.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * SPDX-License-Identifier: LGPL-2.1-or-later
- *
- * Copyright 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- * Copyright 2011 Lai Jiangshan <laijs@cn.fujitsu.com>
- *
- * Order based memory management for Lock-Free RCU Hash Table
- */
-
-#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_order[0] = calloc(ht->min_nr_alloc_buckets,
-                       sizeof(struct lttng_ust_lfht_node));
-               assert(ht->tbl_order[0]);
-       } else if (order > ht->min_alloc_buckets_order) {
-               ht->tbl_order[order] = calloc(1UL << (order -1),
-                       sizeof(struct lttng_ust_lfht_node));
-               assert(ht->tbl_order[order]);
-       }
-       /* 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_order[0]);
-       else if (order > ht->min_alloc_buckets_order)
-               poison_free(ht->tbl_order[order]);
-       /* 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 order;
-
-       if (index < ht->min_nr_alloc_buckets) {
-               dbg_printf("bucket index %lu order 0 aridx 0\n", index);
-               return &ht->tbl_order[0][index];
-       }
-       /*
-        * equivalent to lttng_ust_lfht_get_count_order_ulong(index + 1), but
-        * optimizes away the non-existing 0 special-case for
-        * lttng_ust_lfht_get_count_order_ulong.
-        */
-       order = lttng_ust_lfht_fls_ulong(index);
-       dbg_printf("bucket index %lu order %lu aridx %lu\n",
-                  index, order, index & ((1UL << (order - 1)) - 1));
-       return &ht->tbl_order[order][index & ((1UL << (order - 1)) - 1)];
-}
-
-static
-struct lttng_ust_lfht *alloc_lttng_ust_lfht(unsigned long min_nr_alloc_buckets,
-               unsigned long max_nr_buckets)
-{
-       return __default_alloc_lttng_ust_lfht(
-                       &lttng_ust_lfht_mm_order, sizeof(struct lttng_ust_lfht),
-                       min_nr_alloc_buckets, max_nr_buckets);
-}
-
-const struct lttng_ust_lfht_mm_type lttng_ust_lfht_mm_order = {
-       .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,
-};