static void drop_caches_now(void) {
int r;
- /* Drop file system caches now. See https://www.kernel.org/doc/html/latest/admin-guide/sysctl/vm.html
+ /* Drop file system caches now. See https://docs.kernel.org/admin-guide/sysctl/vm.html
* for details. We write "2" into /proc/sys/vm/drop_caches to ensure dentries/inodes are flushed, but
* not more. */