On 07/05/2018 03:20 AM, David Miller wrote:
> From: Li RongQing <lirongq...@baidu.com>
> Date: Thu, 5 Jul 2018 14:34:32 +0800
>
>> After commit 07d78363dcff ("net: Convert NAPI gro list into a small hash
>> table.")' there is 8 hash buckets, which allows more flows to be held for
>> merging. but MAX_GRO_SKBS, the total held skb for merging, is 8 skb still,
>> limit the hash table performance.
>>
>> keep MAX_GRO_SKBS as 8 skb, but limit each hash list length to 8 skb, not
>> the total 8 skb
>>
>> Signed-off-by: Li RongQing <lirongq...@baidu.com>
>
> Applied, thanks.
>
Maybe gro_count should be replaced by a bitmask, so that we can speed up
napi_gro_flush(), since it now has to use 3 cache lines (gro_hash[] size is 192
bytes)
