On 2/15/23 7:21 AM, Alexander Lobakin wrote:
/* The maximum permissible size is: PAGE_SIZE - sizeof(struct xdp_page_head) -
- * sizeof(struct skb_shared_info) - XDP_PACKET_HEADROOM = 3368 bytes
+ * sizeof(struct skb_shared_info) - XDP_PACKET_HEADROOM = 3408 bytes
*/
-#define MAX_PKT_SIZE 3368
+#define MAX_PKT_SIZE 3408
s390 has a different cache line size:
https://lore.kernel.org/all/20230128000650.1516334-11-iii@xxxxxxxxxxxxx/
The above s390 fix is in bpf-next. It is better to target this patch for
bpf-next also such that the CI can test it in s390.
