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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/core/sock.c | |
| 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 'net/core/sock.c')
| -rw-r--r-- | net/core/sock.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index 063fd7680a84..f96efc95e334 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -3798,6 +3798,10 @@ int proto_register(struct proto *prot, int alloc_slab) pr_err("%s: missing sysctl_mem\n", prot->name); return -EINVAL; } + if (prot->memory_allocated && !prot->per_cpu_fw_alloc) { + pr_err("%s: missing per_cpu_fw_alloc\n", prot->name); + return -EINVAL; + } if (alloc_slab) { prot->slab = kmem_cache_create_usercopy(prot->name, prot->obj_size, 0, |