forked from luck/tmp_suning_uos_patched
30 lines
730 B
C
30 lines
730 B
C
|
/* 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");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|