netdev - [PATCH net-next] bpf: samples: Fix compile of test_lru

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Date:   Sun, 27 Nov 2016 20:32:19 -0800
From:   David Ahern <dsa@...ulusnetworks.com>
To:     netdev@...r.kernel.org
Cc:     David Ahern <dsa@...ulusnetworks.com>,
        Martin KaFai Lau <kafai@...com>
Subject: [PATCH net-next] bpf: samples: Fix compile of test_lru_dist.c

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 <dsa@...ulusnetworks.com>
Cc: Martin KaFai Lau <kafai@...com>
---
 samples/bpf/test_lru_dist.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/samples/bpf/test_lru_dist.c b/samples/bpf/test_lru_dist.c
index 2859977b7f37..bc4a2142eb91 100644
--- a/samples/bpf/test_lru_dist.c
+++ b/samples/bpf/test_lru_dist.c
@@ -16,6 +16,7 @@
 #include <sched.h>
 #include <sys/wait.h>
 #include <sys/stat.h>
+#include <sys/resource.h>
 #include <fcntl.h>
 #include <stdlib.h>
 #include <time.h>
-- 
2.1.4