On Tue, 17 Dec 2019 at 00:00, Toke Høiland-Jørgensen <toke@xxxxxxxxxx> wrote: > diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c > index a2cc7313763a..3fe42d6b0c2f 100644 > --- a/tools/lib/bpf/libbpf.c > +++ b/tools/lib/bpf/libbpf.c > @@ -41,6 +41,7 @@ > #include <sys/types.h> > #include <sys/vfs.h> > #include <sys/utsname.h> > +#include <sys/resource.h> > #include <tools/libc_compat.h> > #include <libelf.h> > #include <gelf.h> > @@ -100,6 +101,32 @@ void libbpf_print(enum libbpf_print_level level, const char *format, ...) > va_end(args); > } > > +static void pr_perm_msg(int err) > +{ > + struct rlimit limit; > + char buf[100]; > + > + if (err != -EPERM || geteuid() != 0) > + return; > + > + err = getrlimit(RLIMIT_MEMLOCK, &limit); > + if (err) > + return; > + > + if (limit.rlim_cur == RLIM_INFINITY) > + return; > + > + if (limit.rlim_cur < 1024) > + snprintf(buf, sizeof(buf), "%lu bytes", limit.rlim_cur); libbpf.c: In function 'pr_perm_msg': libbpf.c:120:33: error: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'rlim_t {aka long long unsigned int}' [-Werror=format=] snprintf(buf, sizeof(buf), "%lu bytes", limit.rlim_cur); ~~^ ~~~~~~~~~~~~~~ %llu Linux next i386 and arm builds failed due to this error. Full build log link, https://ci.linaro.org/view/lkft/job/openembedded-lkft-linux-next/DISTRO=lkft,MACHINE=intel-core2-32,label=docker-lkft/672/consoleText https://ci.linaro.org/view/lkft/job/openembedded-lkft-linux-next/DISTRO=lkft,MACHINE=am57xx-evm,label=docker-lkft/672/consoleText -- Linaro LKFT https://lkft.linaro.org