core: bump mlock ulimit to 64Mb

Bpf programs are charged against memlock ulimit, and the default value
can be too tight on machines with many cgroups and attached bpf programs.

Let's bump it to 64Mb.

diff --git a/src/core/main.c b/src/core/main.c
index ce45f2ded234948c31564b90a7e23cf0dff62855..88656dcabf567a30f5e44c931e2041e82a679c66 100644 (file)
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -1201,7 +1201,7 @@ static int bump_rlimit_memlock(struct rlimit *saved_rlimit) {
         if (getrlimit(RLIMIT_MEMLOCK, saved_rlimit) < 0)
                 return log_warning_errno(errno, "Reading RLIMIT_MEMLOCK failed, ignoring: %m");
 
-        r = setrlimit_closest(RLIMIT_MEMLOCK, &RLIMIT_MAKE_CONST(1024ULL*1024ULL*16ULL));
+        r = setrlimit_closest(RLIMIT_MEMLOCK, &RLIMIT_MAKE_CONST(1024ULL*1024ULL*64ULL));
         if (r < 0)
                 return log_warning_errno(r, "Setting RLIMIT_MEMLOCK failed, ignoring: %m");