[riot-notifications] [RIOT-OS/RIOT] gnrc/ipv6_auto_subnets: relax topology requirements (#16750)

benpicco notifications at github.com
Thu Sep 2 21:31:50 CEST 2021

@benpicco commented on this pull request.

> +static void _configure_subnets(uint8_t subnets, uint8_t start_idx, gnrc_netif_t *upstream,
+                               const ndp_opt_pi_t *pio
+                               const struct pio_cache *pio

You're right, when considering padding I'm only saving 4 bytes with the custom `struct pio_cache`.
The added ROM cost of manually copying the struct elements would outweigh that. 

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