From: Stanislav Fomichev <sdf.kernel@gmail.com>
To: netdev@vger.kernel.org
Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, horms@kernel.org, hawk@kernel.org,
ilias.apalodimas@linaro.org, sdf@fomichev.me,
bobbyeshleman@meta.com, almasrymina@google.com,
kaiyuanz@google.com, linux-kernel@vger.kernel.org
Subject: [PATCH net-next v2 0/3] net: consolidate devmem net_iov freelist and DMA handling
Date: Fri, 25 Sep 2026 13:15:19 -0700 [thread overview]
Message-ID: <20260925201522.254717-1-sdf@fomichev.me> (raw)
Follow up on the recently merged devmem gen_pool removal by consolidating
devmem's net_iov freelist and DMA-address handling.
- move devmem freelist to index-based approach with push/pop helpers
- switch devmem to public memory-provider helpers and reject DMA
addresses that cannot be represented
- decode stored DMA addresses for TX on 32-bit systems with 64-bit
dma_addr_t
v2:
- drop io_uring conversion (Pavel)
Stanislav Fomichev (3):
net: netmem: move to index based freelist
net: devmem: use memory provider helpers for net_iovs
net: devmem: decode DMA addresses for TX
include/linux/skbuff.h | 7 ++-
include/net/netmem.h | 27 +++++++++++
include/net/page_pool/helpers.h | 10 +---
net/core/devmem.c | 81 ++++++++++++++++++++-------------
net/core/devmem.h | 4 +-
net/core/page_pool_priv.h | 14 +-----
6 files changed, 87 insertions(+), 56 deletions(-)
--
2.53.0-Meta
next reply other threads:[~2026-09-25 20:15 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-25 20:15 Stanislav Fomichev [this message]
2026-09-25 20:15 ` [PATCH net-next v2 1/3] net: netmem: move to index based freelist Stanislav Fomichev
2026-09-25 20:15 ` [PATCH net-next v2 2/3] net: devmem: use memory provider helpers for net_iovs Stanislav Fomichev
2026-09-25 20:15 ` [PATCH net-next v2 3/3] net: devmem: decode DMA addresses for TX Stanislav Fomichev
2026-09-29 9:43 ` Paolo Abeni
2026-09-29 13:39 ` Paolo Abeni
2026-09-29 15:55 ` Stanislav Fomichev
2026-09-29 14:10 ` [PATCH net-next v2 0/3] net: consolidate devmem net_iov freelist and DMA handling patchwork-bot+netdevbpf
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