diff options
| author | Kevin Hao <haokexin@gmail.com> | 2021-02-04 18:56:37 +0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-02-06 11:57:29 -0800 |
| commit | 1b041601c798a1a6bb3a651ce17aefd41979a1e2 (patch) | |
| tree | 3d937586e535d897a871c8ea14bf065dd8d9bae4 | |
| parent | 3f6e687dff395da43b056c18150a423bc7bf5d14 (diff) | |
net: octeontx2: Use napi_alloc_frag_align() to avoid the memory waste
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 <haokexin@gmail.com>
Tested-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c | 3 |
1 files changed, 1 insertions, 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 5ddedc3b754d..cbd68fa9f1d6 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c @@ -488,11 +488,10 @@ 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))) { |