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/* SPDX-License-Identifier: LGPL-2.1 */
#include "util/debug.h"
#include "util/rlimit.h"
#include <sys/time.h>
#include <sys/resource.h>
/*
* Bump the memlock so that we can get bpf maps of a reasonable size,
* like the ones used with 'perf trace' and with 'perf test bpf',
* improve this to some specific request if needed.
*/
void rlimit__bump_memlock(void)
{
struct rlimit rlim;
if (getrlimit(RLIMIT_MEMLOCK, &rlim) == 0) {
rlim.rlim_cur *= 4;
rlim.rlim_max *= 4;
if (setrlimit(RLIMIT_MEMLOCK, &rlim) < 0) {
rlim.rlim_cur /= 2;
rlim.rlim_max /= 2;
if (setrlimit(RLIMIT_MEMLOCK, &rlim) < 0)
pr_debug("Couldn't bump rlimit(MEMLOCK), failures may take place when creating BPF maps, etc\n");
}
}
}
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