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| author |   Soheil Hassas Yeganeh <soheil@google.com> | 2018-09-26 16:57:04 -0400 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-10-01 22:36:56 -0700 |
| commit | 789762ceec8f330b8a96e603812fa8dc543de4bf (patch) | |
| tree | a5df900d899214ba8f8d6513d1d3ed6dbeb449f0 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | tcp: set recv_skip_hint when tcp_inq is less than PAGE_SIZE (diff) | |
| download | linux-dev-789762ceec8f330b8a96e603812fa8dc543de4bf.tar.xz linux-dev-789762ceec8f330b8a96e603812fa8dc543de4bf.zip | |
tcp: adjust rcv zerocopy hints based on frag sizes
When SKBs are coalesced, we can have SKBs with different
frag sizes. Some with PAGE_SIZE and some not with PAGE_SIZE.
Since recv_skip_hint is always set to the full SKB size,
it can overestimate the amount that should be read using
normal read for coalesced packets.
Change the recv_skip_hint so that it only includes the first
frags that are not of PAGE_SIZE.
Signed-off-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions