Signed-off-by: Lai Jiangshan <[email protected]>
---
rculfhash.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/rculfhash.c b/rculfhash.c
index 4ec59f9..1ccab8e 100644
--- a/rculfhash.c
+++ b/rculfhash.c
@@ -719,12 +719,16 @@ struct _cds_lfht_node *lookup_bucket(struct cds_lfht *ht,
unsigned long size,
assert(size > 0);
index = hash & (size - 1);
+
+ if (index < MIN_ALLOC_SIZE)
+ return &ht->t.tbl[0]->nodes[index];
+
order = fls_ulong(index);
dbg_printf("lookup hash %lu index %lu order %lu aridx %lu\n",
- hash, index, order, index & (!order ? 0 : ((1UL << (order -
1)) - 1)));
+ hash, index, order, index & ((1UL << (order - 1)) - 1));
- return &ht->t.tbl[order]->nodes[index & (!order ? 0 : ((1UL << (order -
1)) - 1))];
+ return &ht->t.tbl[order]->nodes[index & ((1UL << (order - 1)) - 1)];
}
/*
--
1.7.4.4
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