diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2022-08-25 15:06:31 +0300 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2022-08-30 13:02:55 +0300 |
| commit | 47cf88993c910840d565631ad906abdca9168231 (patch) | |
| tree | 3680084fd488741aa2343a06eb1949adf42df060 /net/ipv6/ip6_output.c | |
| parent | d287532edfc2b6cec45e5eb00332a4c6fddf07a3 (diff) | |
| download | linux-47cf88993c910840d565631ad906abdca9168231.tar.xz | |
net: unify alloclen calculation for paged requests
Consolidate alloclen and pagedlen calculation for zerocopy and normal
paged requests. The current non-zerocopy paged version can a bit
overallocate and unnecessary copy a small chunk of data into the linear
part.
Cc: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/netdev/CA+FuTSf0+cJ9_N_xrHmCGX_KoVCWcE0YQBdtgEkzGvcLMSv7Qw@mail.gmail.com/
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/b0e4edb7b91f171c7119891d3c61040b8c56596e.1661428921.git.asml.silence@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'net/ipv6/ip6_output.c')
| -rw-r--r-- | net/ipv6/ip6_output.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index f152e51242cb..a60176e913a8 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1648,10 +1648,7 @@ alloc_new_skb: (fraglen + alloc_extra < SKB_MAX_ALLOC || !(rt->dst.dev->features & NETIF_F_SG))) alloclen = fraglen; - else if (!zc) { - alloclen = min_t(int, fraglen, MAX_HEADER); - pagedlen = fraglen - alloclen; - } else { + else { alloclen = fragheaderlen + transhdrlen; pagedlen = datalen - transhdrlen; } |