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| H A D | netcnt_common.h | 80a61190 Fri Jan 27 18:06:32 CST 2023 Ilya Leoshkevich <iii@linux.ibm.com> selftests/bpf: Increase SIZEOF_BPF_LOCAL_STORAGE_ELEM on s390x
sizeof(struct bpf_local_storage_elem) is 512 on s390x:
struct bpf_local_storage_elem {
struct hlist_node map_node; /* 0 16 */
struct hlist_node snode; /* 16 16 */
struct bpf_local_storage * local_storage; /* 32 8 */
struct callback_head rcu __attribute__((__aligned__(8))); /* 40 16 */
/* XXX 200 bytes hole, try to pack */
/* --- cacheline 1 boundary (256 bytes) --- */
struct bpf_local_storage_data sdata __attribute__((__aligned__(256))); /* 256 8 */
/* size: 512, cachelines: 2, members: 5 */
/* sum members: 64, holes: 1, sum holes: 200 */
/* padding: 248 */
/* forced alignments: 2, forced holes: 1, sum forced holes: 200 */
} __attribute__((__aligned__(256)));
As the existing comment suggests, use a larger number in order to be
future-proof.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Link: https://lore.kernel.org/r/20230128000650.1516334-14-iii@linux.ibm.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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