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authorEric Dumazet <edumazet@google.com>2024-03-28 17:34:48 +0000
committerJakub Kicinski <kuba@kernel.org>2024-03-29 12:27:05 -0700
commit5086f0fe46dcf8687c8c2e41e1f07826affebbba (patch)
treea541d84c716b2c644b6d98e0f7ef3a6cf2e48e66 /net/core
parent50ba9d7ec4e2c436e7ce7bcf12df95864cdc6233 (diff)
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>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/dev.c2
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
/*