[dpdk-dev] [PATCH 1/2] mempool: notify mempool area after mempool alloc

Pavan Nikhilesh pbhagavatula at caviumnetworks.com
Fri Dec 15 17:00:30 CET 2017


Mempool creation needs to be completed first before notifying mempool to
register the mempool area.

Signed-off-by: Pavan Nikhilesh <pbhagavatula at caviumnetworks.com>
---
 lib/librte_mempool/rte_mempool.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c
index d50dba4..6d17022 100644
--- a/lib/librte_mempool/rte_mempool.c
+++ b/lib/librte_mempool/rte_mempool.c
@@ -367,11 +367,6 @@ rte_mempool_populate_iova(struct rte_mempool *mp, char *vaddr,
 	struct rte_mempool_memhdr *memhdr;
 	int ret;
 
-	/* Notify memory area to mempool */
-	ret = rte_mempool_ops_register_memory_area(mp, vaddr, iova, len);
-	if (ret != -ENOTSUP && ret < 0)
-		return ret;
-
 	/* create the internal ring if not already done */
 	if ((mp->flags & MEMPOOL_F_POOL_CREATED) == 0) {
 		ret = rte_mempool_ops_alloc(mp);
@@ -380,6 +375,11 @@ rte_mempool_populate_iova(struct rte_mempool *mp, char *vaddr,
 		mp->flags |= MEMPOOL_F_POOL_CREATED;
 	}
 
+	/* Notify memory area to mempool */
+	ret = rte_mempool_ops_register_memory_area(mp, vaddr, iova, len);
+	if (ret != -ENOTSUP && ret < 0)
+		return ret;
+
 	/* mempool is already populated */
 	if (mp->populated_size >= mp->size)
 		return -ENOSPC;
-- 
2.7.4



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