On Fri, Sep 06, 2019 at 07:47:30PM +0200, Daniel Vetter wrote: > diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h > index 5a03417e5bf7..4edd98b06834 100644 > +++ b/include/linux/mmu_notifier.h > @@ -356,13 +356,14 @@ mmu_notifier_invalidate_range_start(struct mmu_notifier_range *range) > static inline int > mmu_notifier_invalidate_range_start_nonblock(struct mmu_notifier_range *range) > { > + int ret = 0; > lock_map_acquire(&__mmu_notifier_invalidate_range_start_map); > if (mm_has_notifiers(range->mm)) { > range->flags &= ~MMU_NOTIFIER_RANGE_BLOCKABLE; > - return __mmu_notifier_invalidate_range_start(range); > + ret = __mmu_notifier_invalidate_range_start(range); > } > lock_map_release(&__mmu_notifier_invalidate_range_start_map); > - return 0; > + return ret; Gar, yes. Since nobody has grabbed hmm.git I've squashed this into the original patch and fixed the checkpatch warning about missing line after the ret Everything should be in linux-next the next time it builds Thanks, Jason