On Mon, May 06, 2019 at 06:30:51PM +0200, Andrey Konovalov wrote: > +SYSCALL_DEFINE2(arm64_mlock2, unsigned long, start, size_t, len) > +{ > + start = untagged_addr(start); > + return ksys_mlock(start, len, VM_LOCKED); > +} Copy/paste error: sys_mlock2() has 3 arguments and should call ksys_mlock2(). Still tracking down an LTP failure on test mlock01. -- Catalin