net: devmem: embed net_iov_area in binding

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After replacing the gen_pool with a binding-level freelist, devmem no
longer needs a separate chunk owner object. There is only one
net_iov_area for the binding, so store it directly in struct
net_devmem_dmabuf_binding.

Derive the binding from net_iov_owner() with container_of(), matching the
pattern used by io_uring zcrx. This removes the leftover
dmabuf_genpool_chunk_owner wrapper and its allocation/free path.

Reviewed-by: Mina Almasry <almasrymina@google.com>
Signed-off-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20260917181116.3319017-3-sdf@fomichev.me
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Stanislav Fomichev 2026-09-17 11:11:15 -07:00 • committed by Jakub Kicinski

parent 083e64a3af

commit 13648ba787

2 changed files with 24 additions and 62 deletions

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61

net/core/devmem.c

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25

net/core/devmem.h

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