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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 /include/net/tcp.h | |
| parent | net: remove SK_MEM_QUANTUM and SK_MEM_QUANTUM_SHIFT (diff) | |
| download | linux-dev-0defbb0af775ef037913786048d099bbe8b9a2c2.tar.xz linux-dev-0defbb0af775ef037913786048d099bbe8b9a2c2.zip | |
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 'include/net/tcp.h')
| -rw-r--r-- | include/net/tcp.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index 1e99f5c61f84..4794cae4577e 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -253,6 +253,8 @@ extern long sysctl_tcp_mem[3]; #define TCP_RACK_NO_DUPTHRESH 0x4 /* Do not use DUPACK threshold in RACK */ extern atomic_long_t tcp_memory_allocated; +DECLARE_PER_CPU(int, tcp_memory_per_cpu_fw_alloc); + extern struct percpu_counter tcp_sockets_allocated; extern unsigned long tcp_memory_pressure; |