[PATCH net-next 3/4] net: octeontx2: Use napi_alloc_frag_align() to avoid the memory waste

[Kevin Hao]

The napi_alloc_frag_align() will guarantee that a correctly align
buffer address is returned. So use this function to simplify the buffer
alloc and avoid the unnecessary memory waste.

Signed-off-by: Kevin Hao <haoke...@gmail.com>
---
 drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c 
b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
index e6869435e1f3..6fbceabae1ac 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
@@ -478,11 +478,10 @@ dma_addr_t __otx2_alloc_rbuf(struct otx2_nic *pfvf, 
struct otx2_pool *pool)
        dma_addr_t iova;
        u8 *buf;
 
-       buf = napi_alloc_frag(pool->rbsize + OTX2_ALIGN);
+       buf = napi_alloc_frag_align(pool->rbsize, OTX2_ALIGN);
        if (unlikely(!buf))
                return -ENOMEM;
 
-       buf = PTR_ALIGN(buf, OTX2_ALIGN);
        iova = dma_map_single_attrs(pfvf->dev, buf, pool->rbsize,
                                    DMA_FROM_DEVICE, DMA_ATTR_SKIP_CPU_SYNC);
        if (unlikely(dma_mapping_error(pfvf->dev, iova))) {
-- 
2.29.2