Messages in this thread Patch in this message | | | From | Ratheesh Kannoth <> | Subject | [PATCH net] octeontx2-pf: Set page pool size | Date | Thu, 10 Aug 2023 08:14:22 +0530 |
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page pool infra does direct recycling aggressively. This would often keep ptr_ring left unused. Save memory by configuring ptr_ring to a constant value(2K).
Please find discussion at https://lore.kernel.org/netdev/ 15d32b22-22b0-64e3-a49e-88d780c24616@kernel.org/T/
Fixes: b2e3406a38f0 ("octeontx2-pf: Add support for page pool") Suggested-by: Alexander Lobakin <aleksander.lobakin@intel.com> Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com> --- drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c index 77c8f650f7ac..123348a9e19e 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c @@ -1432,7 +1432,8 @@ int otx2_pool_init(struct otx2_nic *pfvf, u16 pool_id, } pp_params.flags = PP_FLAG_PAGE_FRAG | PP_FLAG_DMA_MAP; - pp_params.pool_size = numptrs; +#define OTX2_PAGE_POOL_SZ 2048 + pp_params.pool_size = OTX2_PAGE_POOL_SZ; pp_params.nid = NUMA_NO_NODE; pp_params.dev = pfvf->dev; pp_params.dma_dir = DMA_FROM_DEVICE; -- 2.25.1
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