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author | Alexander Lobakin <alexandr.lobakin@intel.com> | 2021-11-23 20:18:40 +0300 |
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committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2021-12-28 20:42:33 +0300 |
commit | c15500198916cb6f553b43f63070990b8d079b49 (patch) | |
tree | 71ddbabfd084d113f34b0945783936f70bf62111 /net/core/of_net.c | |
parent | a39363367a377ceda6b58ec15edf07fae1d61b1b (diff) | |
download | linux-c15500198916cb6f553b43f63070990b8d079b49.tar.xz |
ixgbevf: switch to napi_build_skb()
napi_build_skb() reuses per-cpu NAPI skbuff_head cache in order
to save some cycles on freeing/allocating skbuff_heads on every
new Rx or completed Tx.
ixgbevf driver runs Tx completion polling cycle right before the Rx
one and uses napi_consume_skb() to feed the cache with skbuff_heads
of completed entries, so it's never empty and always warm at that
moment. Switch to the napi_build_skb() to relax mm pressure on
heavy Rx.
Signed-off-by: Alexander Lobakin <alexandr.lobakin@intel.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'net/core/of_net.c')
0 files changed, 0 insertions, 0 deletions