On Thu, Sep 26, 2019 at 05:39:04PM +0800, Peter Xu wrote: > @@ -490,8 +512,7 @@ vm_fault_t handle_userfault(struct vm_fault *vmf, unsigned long reason) > up_read(&mm->mmap_sem); > > if (likely(must_wait && !READ_ONCE(ctx->released) && > - (return_to_userland ? !signal_pending(current) : > - !fatal_signal_pending(current)))) { > + userfaultfd_signal_pending(vmf->flags))) { Sorry, here it should be "!userfaultfd_signal_pending(vmf->flags)". -- Peter Xu