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author | Jakub Kicinski <kuba@kernel.org> | 2022-07-08 04:03:09 +0300 |
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committer | Jakub Kicinski <kuba@kernel.org> | 2022-07-09 04:38:44 +0300 |
commit | 2d91ecace6614cf6254001566292b808d7f70a91 (patch) | |
tree | 102051f148bc0998d65f0e2f15c3756eb3bf67ae /net/tls | |
parent | 67d7ebdeb2d5a058dd5079107505fffe7332b27a (diff) | |
download | linux-2d91ecace6614cf6254001566292b808d7f70a91.tar.xz |
strparser: pad sk_skb_cb to avoid straddling cachelines
sk_skb_cb lives within skb->cb[]. skb->cb[] straddles
2 cache lines, each containing 24B of data.
The first cache line does not contain much interesting
information for users of strparser, so pad things a little.
Previously strp_msg->full_len would live in the first cache
line and strp_msg->offset in the second.
We need to reorder the 8 byte temp_reg with struct tls_msg
to prevent a 4B hole which would push the struct over 48B.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/tls')
0 files changed, 0 insertions, 0 deletions