[dpdk-dev] [PATCH v4 7/7] mempool: use the specific macro for object alignment

[Olivier Matz]

For consistency, RTE_MEMPOOL_ALIGN should be used in place of
RTE_CACHE_LINE_SIZE. They have the same value, because the only arch
that was defining a specific value for it has been removed from dpdk.

Signed-off-by: Olivier Matz <olivier.m...@6wind.com>
Reviewed-by: Andrew Rybchenko <arybche...@solarflare.com>
Acked-by: Nipun Gupta <nipun.gu...@nxp.com>
---
 lib/librte_mempool/rte_mempool.c             | 2 +-
 lib/librte_mempool/rte_mempool.h             | 3 +++
 lib/librte_mempool/rte_mempool_ops_default.c | 2 +-
 3 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c
index d3db9273d..40cae3eb6 100644
--- a/lib/librte_mempool/rte_mempool.c
+++ b/lib/librte_mempool/rte_mempool.c
@@ -329,7 +329,7 @@ rte_mempool_populate_iova(struct rte_mempool *mp, char 
*vaddr,
        if (mp->flags & MEMPOOL_F_NO_CACHE_ALIGN)
                off = RTE_PTR_ALIGN_CEIL(vaddr, 8) - vaddr;
        else
-               off = RTE_PTR_ALIGN_CEIL(vaddr, RTE_CACHE_LINE_SIZE) - vaddr;
+               off = RTE_PTR_ALIGN_CEIL(vaddr, RTE_MEMPOOL_ALIGN) - vaddr;
 
        if (off > len) {
                ret = -EINVAL;
diff --git a/lib/librte_mempool/rte_mempool.h b/lib/librte_mempool/rte_mempool.h
index 225bf9fc9..f81152af9 100644
--- a/lib/librte_mempool/rte_mempool.h
+++ b/lib/librte_mempool/rte_mempool.h
@@ -116,6 +116,9 @@ struct rte_mempool_objsz {
 #define        MEMPOOL_PG_NUM_DEFAULT  1
 
 #ifndef RTE_MEMPOOL_ALIGN
+/**
+ * Alignment of elements inside mempool.
+ */
 #define RTE_MEMPOOL_ALIGN      RTE_CACHE_LINE_SIZE
 #endif
 
diff --git a/lib/librte_mempool/rte_mempool_ops_default.c 
b/lib/librte_mempool/rte_mempool_ops_default.c
index e6be7152b..22fccf9d7 100644
--- a/lib/librte_mempool/rte_mempool_ops_default.c
+++ b/lib/librte_mempool/rte_mempool_ops_default.c
@@ -60,7 +60,7 @@ rte_mempool_op_calc_mem_size_helper(const struct rte_mempool 
*mp,
        }
 
        *min_chunk_size = total_elt_sz;
-       *align = RTE_CACHE_LINE_SIZE;
+       *align = RTE_MEMPOOL_ALIGN;
 
        return mem_size;
 }
-- 
2.20.1