up_write(&hmm->mirrors_sem);
}
-static void hmm_invalidate_range_start(struct mmu_notifier *mn,
+static int hmm_invalidate_range_start(struct mmu_notifier *mn,
struct mm_struct *mm,
unsigned long start,
- unsigned long end)
+ unsigned long end,
+ bool blockable)
{
struct hmm *hmm = mm->hmm;
VM_BUG_ON(!hmm);
atomic_inc(&hmm->sequence);
+
+ return 0;
}
static void hmm_invalidate_range_end(struct mmu_notifier *mn,
{
struct hmm_devmem *devmem = data;
+ page->mapping = NULL;
+
devmem->ops->free(devmem, page);
}