Commit 9a5ee462 authored Nov 16, 2018 by Eric Dumazet Committed by David S. Miller Nov 17, 2018

net: align pcpu_sw_netstats and pcpu_lstats structs



Do not risk spanning these small structures on two cache lines,
it is absolutely not worth it.

For 32bit arches, the hint might not be enough, but we do not
really care anymore.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 7c460cf9

include/linux/netdevice.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -2389,13 +2389,13 @@ struct pcpu_sw_netstats {
		u64 tx_packets;
		u64 tx_bytes;
		struct u64_stats_sync syncp;
		};
		} __aligned(4 * sizeof(u64));

		struct pcpu_lstats {
		u64 packets;
		u64 bytes;
		struct u64_stats_sync syncp;
		};
		} __aligned(2 * sizeof(u64));

		#define __netdev_alloc_pcpu_stats(type, gfp) \
		({ \

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