Subject: Re: [PATCH net-next] bpf: samples: Fix compile of test_lru_dist.c

From: Daniel Borkmann <[email-masked]>
Date: Mon, 28 Nov 2016 10:17:23 +0100

On 11/28/2016 05:32 AM, David Ahern wrote:
> Build of samples/bpf on debian/jessie fails with:
>
>    HOSTCC  /home/dsa/kernel-3.git/samples/bpf/test_lru_dist.o
> /home/dsa/kernel-3.git/samples/bpf/test_lru_dist.c: In function ‘main’:
> /home/dsa/kernel-3.git/samples/bpf/test_lru_dist.c:490:9: error: variable ‘r’ has initializer but incomplete type
>    struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
>           ^
> /home/dsa/kernel-3.git/samples/bpf/test_lru_dist.c:490:21: error: ‘RLIM_INFINITY’ undeclared (first use in this function)
>    struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
>                       ^
> /home/dsa/kernel-3.git/samples/bpf/test_lru_dist.c:490:21: note: each undeclared identifier is reported only once for each function it appears in
> /home/dsa/kernel-3.git/samples/bpf/test_lru_dist.c:490:9: warning: excess elements in struct initializer
>    struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
>           ^
> /home/dsa/kernel-3.git/samples/bpf/test_lru_dist.c:490:9: warning: (near initialization for ‘r’)
> /home/dsa/kernel-3.git/samples/bpf/test_lru_dist.c:490:9: warning: excess elements in struct initializer
> /home/dsa/kernel-3.git/samples/bpf/test_lru_dist.c:490:9: warning: (near initialization for ‘r’)
> /home/dsa/kernel-3.git/samples/bpf/test_lru_dist.c:490:16: error: storage size of ‘r’ isn’t known
>    struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
>
> Add sys/resource.h to the include list
>
> Fixes: 5db58faf989f ("bpf: Add tests for the LRU bpf_htab")
> Signed-off-by: David Ahern <[email-masked]>
> Cc: Martin KaFai Lau <[email-masked]>

Ran into the same issue, fixed here already:

https://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git/commit/?id=e00c7b216f34444252f3771f7d4ed48d4f032636