diff options
| author | Bobby Eshleman <bobbyeshleman@meta.com> | 2026-08-05 13:42:44 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-08-07 18:32:39 -0700 |
| commit | 3e8c9ec4eb75b60cd03bcebb275553df09417e2e (patch) | |
| tree | f86092cf7fd0882fad4519548cde3c13c634afb5 /tools/perf/scripts/python/bin/flamegraph-record | |
| parent | b27a8560eec935df48eae4d4fb9cc79fc02cb0e0 (diff) | |
selftests/net: ncdevmem: add -b option to set rx-page-size on bind
Add -b <bytes> to request a non-default niov size via
NETDEV_A_DMABUF_RX_PAGE_SIZE. When the value exceeds PAGE_SIZE,
udmabuf_alloc() switches to an MFD_HUGETLB-backed memfd so each 2 MB
hugepage produces one naturally-aligned sg entry.
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: Bobby Eshleman <bobbyeshleman@meta.com>
Link: https://patch.msgid.link/20260805-tcpdm-large-niovs-v8-2-3e0225e2808c@meta.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/bin/flamegraph-record')
0 files changed, 0 insertions, 0 deletions