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| author | Eric Dumazet <edumazet@google.com> | 2022-06-08 23:34:08 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-06-10 16:21:26 -0700 |
| commit | 0defbb0af775ef037913786048d099bbe8b9a2c2 (patch) | |
| tree | b25787bc499129fc43cba5c3e8af7e83c3880b42 /net/sctp | |
| parent | 100fdd1faf50557558e2911af4be32e515cb8036 (diff) | |
| download | linux-0defbb0af775ef037913786048d099bbe8b9a2c2.tar.bz2 | |
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/sctp')
| -rw-r--r-- | net/sctp/socket.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 6d37d2dfb3da..05174acd981a 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -93,6 +93,7 @@ static int sctp_sock_migrate(struct sock *oldsk, struct sock *newsk, static unsigned long sctp_memory_pressure; static atomic_long_t sctp_memory_allocated; +static DEFINE_PER_CPU(int, sctp_memory_per_cpu_fw_alloc); struct percpu_counter sctp_sockets_allocated; static void sctp_enter_memory_pressure(struct sock *sk) @@ -9657,7 +9658,10 @@ struct proto sctp_prot = { .sysctl_wmem = sysctl_sctp_wmem, .memory_pressure = &sctp_memory_pressure, .enter_memory_pressure = sctp_enter_memory_pressure, + .memory_allocated = &sctp_memory_allocated, + .per_cpu_fw_alloc = &sctp_memory_per_cpu_fw_alloc, + .sockets_allocated = &sctp_sockets_allocated, }; @@ -9700,7 +9704,10 @@ struct proto sctpv6_prot = { .sysctl_wmem = sysctl_sctp_wmem, .memory_pressure = &sctp_memory_pressure, .enter_memory_pressure = sctp_enter_memory_pressure, + .memory_allocated = &sctp_memory_allocated, + .per_cpu_fw_alloc = &sctp_memory_per_cpu_fw_alloc, + .sockets_allocated = &sctp_sockets_allocated, }; #endif /* IS_ENABLED(CONFIG_IPV6) */ |