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| author | Eric Dumazet <edumazet@google.com> | 2024-03-28 20:34:48 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-03-29 22:27:05 +0300 |
| commit | 5086f0fe46dcf8687c8c2e41e1f07826affebbba (patch) | |
| tree | a541d84c716b2c644b6d98e0f7ef3a6cf2e48e66 | |
| parent | 50ba9d7ec4e2c436e7ce7bcf12df95864cdc6233 (diff) | |
| download | linux-5086f0fe46dcf8687c8c2e41e1f07826affebbba.tar.xz | |
net: do not consume a cacheline for system_page_pool
There is no reason to consume a full cacheline to store system_page_pool.
We can eventually move it to softnet_data later for full locality control.
Fixes: 2b0cfa6e4956 ("net: add generic percpu page_pool allocator")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Lorenzo Bianconi <lorenzo@kernel.org>
Cc: Toke Høiland-Jørgensen <toke@redhat.com>
Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Link: https://lore.kernel.org/r/20240328173448.2262593-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | net/core/dev.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 9a67003e49db..984ff8b9d0e1 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -429,7 +429,7 @@ EXPORT_PER_CPU_SYMBOL(softnet_data); * PP consumers must pay attention to run APIs in the appropriate context * (e.g. NAPI context). */ -static DEFINE_PER_CPU_ALIGNED(struct page_pool *, system_page_pool); +static DEFINE_PER_CPU(struct page_pool *, system_page_pool); #ifdef CONFIG_LOCKDEP /* |