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Message-ID: <20180110184043.5930.91692.stgit@john-Precision-Tower-5810>
Date: Wed, 10 Jan 2018 10:40:43 -0800
From: John Fastabend <john.fastabend@...il.com>
To: borkmann@...earbox.net, john.fastabend@...il.com, ast@...nel.org
Cc: netdev@...r.kernel.org
Subject: [bpf-next PATCH v2 7/7] bpf: sockmap set rlimit
Avoid extra step of setting limit from cmdline and do it directly in
the program.
Signed-off-by: John Fastabend <john.fastabend@...il.com>
---
samples/sockmap/sockmap_user.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/samples/sockmap/sockmap_user.c b/samples/sockmap/sockmap_user.c
index 9496b2c..16c19c5 100644
--- a/samples/sockmap/sockmap_user.c
+++ b/samples/sockmap/sockmap_user.c
@@ -27,6 +27,7 @@
#include <time.h>
#include <sys/time.h>
+#include <sys/resource.h>
#include <sys/types.h>
#include <linux/netlink.h>
@@ -437,6 +438,7 @@ enum {
int main(int argc, char **argv)
{
int iov_count = 1, length = 1024, rate = 1, verbose = 0;
+ struct rlimit r = {10 * 1024 * 1024, RLIM_INFINITY};
int opt, longindex, err, cg_fd = 0;
int test = PING_PONG;
char filename[256];
@@ -490,6 +492,11 @@ int main(int argc, char **argv)
return -1;
}
+ if (setrlimit(RLIMIT_MEMLOCK, &r)) {
+ perror("setrlimit(RLIMIT_MEMLOCK)");
+ return 1;
+ }
+
snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
running = 1;
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