// Locks memory, preventing memory from being written to disk as swap
func lockMemory() {
err := unix.Mlockall(unix.MCL_FUTURE | unix.MCL_CURRENT)
switch err {
case nil:
case unix.ENOSYS:
log.Println("mlockall() not implemented on this system")
case unix.ENOMEM:
log.Println("mlockall() failed with ENOMEM")
default:
log.Fatalf("Could not perform mlockall and prevent swapping memory: %v", err)
}
}
func lockMemory() {
err := unix.Mlockall(unix.MCL_FUTURE | unix.MCL_CURRENT)
switch err {
case nil:
case unix.ENOSYS:
logrus.WithError(err).Warn("mlockall() not implemented on this system")
case unix.ENOMEM:
logrus.WithError(err).Warn("mlockall() failed with ENOMEM")
default:
logrus.WithError(err).Warn("could not perform mlockall to prevent swapping memory")
}
}
// Locks memory, preventing memory from being written to disk as swap
func lockMemory(debug bool) {
logConfig := klog.Config{
Debug: debug,
Mountpoint: "",
}
logger := klog.New("kwfs_main", logConfig)
err := unix.Mlockall(unix.MCL_FUTURE | unix.MCL_CURRENT)
switch err {
case nil:
case unix.ENOSYS:
logger.Warnf("mlockall() not implemented on this system")
case unix.ENOMEM:
logger.Warnf("mlockall() failed with ENOMEM")
default:
log.Fatalf("Could not perform mlockall and prevent swapping memory: %v", err)
}
}
func lockMemory() error {
// Mlockall prevents all current and future pages from being swapped out.
return unix.Mlockall(syscall.MCL_CURRENT | syscall.MCL_FUTURE)
}