diff options
| author | Eric Dumazet <edumazet@google.com> | 2022-06-09 09:34:08 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-06-11 02:21:26 +0300 |
| commit | 0defbb0af775ef037913786048d099bbe8b9a2c2 (patch) | |
| tree | b25787bc499129fc43cba5c3e8af7e83c3880b42 /net/ipv4/tcp.c | |
| parent | 100fdd1faf50557558e2911af4be32e515cb8036 (diff) | |
| download | linux-0defbb0af775ef037913786048d099bbe8b9a2c2.tar.xz | |
net: add per_cpu_fw_alloc field to struct proto
Each protocol having a ->memory_allocated pointer gets a corresponding
per-cpu reserve, that following patches will use.
Instead of having reserved bytes per socket,
we want to have per-cpu reserves.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv4/tcp.c')
| -rw-r--r-- | net/ipv4/tcp.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 9e696758a4c2..e6bdf8e2c09a 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -294,6 +294,8 @@ EXPORT_SYMBOL(sysctl_tcp_mem); atomic_long_t tcp_memory_allocated ____cacheline_aligned_in_smp; /* Current allocated memory. */ EXPORT_SYMBOL(tcp_memory_allocated); +DEFINE_PER_CPU(int, tcp_memory_per_cpu_fw_alloc); +EXPORT_PER_CPU_SYMBOL_GPL(tcp_memory_per_cpu_fw_alloc); #if IS_ENABLED(CONFIG_SMC) DEFINE_STATIC_KEY_FALSE(tcp_have_smc); |