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From: Nipun Gupta <nipun.gupta@nxp.com>
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Date: Tue, 23 Jan 2018 18:01:07 +0530
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Subject: [dpdk-stable] [PATCH 3/7] mempool/dpaa: fix the phy to virt
optimization
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From: Hemant Agrawal <hemant.agrawal@nxp.com>
Fixes: 83a4f267f2e3 ("mempool/dpaa: optimize phy to virt conversion")
Cc: stable@dpdk.org
Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---
drivers/mempool/dpaa/dpaa_mempool.c | 9 ++++-----
drivers/mempool/dpaa/dpaa_mempool.h | 4 ++--
2 files changed, 6 insertions(+), 7 deletions(-)
diff --git a/drivers/mempool/dpaa/dpaa_mempool.c b/drivers/mempool/dpaa/dpaa_mempool.c
index ddc4e47..fe22519 100644
--- a/drivers/mempool/dpaa/dpaa_mempool.c
+++ b/drivers/mempool/dpaa/dpaa_mempool.c
@@ -150,8 +150,8 @@
uint64_t phy = rte_mempool_virt2iova(obj_table[i]);
if (unlikely(!bp_info->ptov_off)) {
- /* buffers are not from multiple memzones */
- if (!(bp_info->flags & DPAA_MPOOL_MULTI_MEMZONE)) {
+ /* buffers are from single mem segment */
+ if (bp_info->flags & DPAA_MPOOL_SINGLE_SEGMENT) {
bp_info->ptov_off
= (uint64_t)obj_table[i] - phy;
rte_dpaa_bpid_info[bp_info->bpid].ptov_off
@@ -282,9 +282,8 @@
len, total_elt_sz * mp->size);
/* Detect pool area has sufficient space for elements in this memzone */
- if (len < total_elt_sz * mp->size)
- /* Else, Memory will be allocated from multiple memzones */
- bp_info->flags |= DPAA_MPOOL_MULTI_MEMZONE;
+ if (len >= total_elt_sz * mp->size)
+ bp_info->flags |= DPAA_MPOOL_SINGLE_SEGMENT;
return 0;
}
diff --git a/drivers/mempool/dpaa/dpaa_mempool.h b/drivers/mempool/dpaa/dpaa_mempool.h
index 02aa513..9435dd2 100644
--- a/drivers/mempool/dpaa/dpaa_mempool.h
+++ b/drivers/mempool/dpaa/dpaa_mempool.h
@@ -28,8 +28,8 @@
/* Maximum release/acquire from BMAN */
#define DPAA_MBUF_MAX_ACQ_REL 8
-/* Buffers are allocated from multiple memzones i.e. non phys contiguous */
-#define DPAA_MPOOL_MULTI_MEMZONE 0x01
+/* Buffers are allocated from single mem segment i.e. phys contiguous */
+#define DPAA_MPOOL_SINGLE_SEGMENT 0x01
struct dpaa_bp_info {
struct rte_mempool *mp;
--
1.9.1