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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>
This commit is contained in:
Eric Dumazet 2018-11-16 07:24:24 -08:00 committed by David S. Miller
parent 7c460cf9cd
commit 9a5ee46230
1 changed files with 2 additions and 2 deletions
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4
include/linux/netdevice.h
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@ -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) \
({ \