Server IP : 104.21.38.3 / Your IP : 162.158.108.158 Web Server : Apache System : Linux krdc-ubuntu-s-2vcpu-4gb-amd-blr1-01.localdomain 5.15.0-142-generic #152-Ubuntu SMP Mon May 19 10:54:31 UTC 2025 x86_64 User : www ( 1000) PHP Version : 7.4.33 Disable Function : passthru,exec,system,putenv,chroot,chgrp,chown,shell_exec,popen,proc_open,pcntl_exec,ini_alter,ini_restore,dl,openlog,syslog,readlink,symlink,popepassthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,imap_open,apache_setenv MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /usr/src/linux-headers-5.15.0-142/tools/testing/selftests/memfd/ |
Upload File : |
#!/bin/bash # please run as root # Kselftest framework requirement - SKIP code is 4. ksft_skip=4 # # To test memfd_create with hugetlbfs, there needs to be hpages_test # huge pages free. Attempt to allocate enough pages to test. # hpages_test=8 # # Get count of free huge pages from /proc/meminfo # while read name size unit; do if [ "$name" = "HugePages_Free:" ]; then freepgs=$size fi done < /proc/meminfo # # If not enough free huge pages for test, attempt to increase # if [ -n "$freepgs" ] && [ $freepgs -lt $hpages_test ]; then nr_hugepgs=`cat /proc/sys/vm/nr_hugepages` hpages_needed=`expr $hpages_test - $freepgs` if [ $UID != 0 ]; then echo "Please run memfd with hugetlbfs test as root" exit $ksft_skip fi echo 3 > /proc/sys/vm/drop_caches echo $(( $hpages_needed + $nr_hugepgs )) > /proc/sys/vm/nr_hugepages while read name size unit; do if [ "$name" = "HugePages_Free:" ]; then freepgs=$size fi done < /proc/meminfo fi # # If still not enough huge pages available, exit. But, give back any huge # pages potentially allocated above. # if [ $freepgs -lt $hpages_test ]; then # nr_hugepgs non-zero only if we attempted to increase if [ -n "$nr_hugepgs" ]; then echo $nr_hugepgs > /proc/sys/vm/nr_hugepages fi printf "Not enough huge pages available (%d < %d)\n" \ $freepgs $needpgs exit $ksft_skip fi # # Run the hugetlbfs test # ./memfd_test hugetlbfs ./run_fuse_test.sh hugetlbfs # # Give back any huge pages allocated for the test # if [ -n "$nr_hugepgs" ]; then echo $nr_hugepgs > /proc/sys/vm/nr_hugepages fi