mm/hotplug: invalid PFNs from pfn_to_online_page()

[mirror_ubuntu-bionic-kernel.git] / include / linux / genhd.h

diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index dc0b34ac4b380f52a558425b93657b8190fc033f..cbdf003e759e0ee3106a9cf0f05b0cf326883be7 100644 (file)
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -581,6 +581,7 @@ struct unixware_disklabel {
 
 extern int blk_alloc_devt(struct hd_struct *part, dev_t *devt);
 extern void blk_free_devt(dev_t devt);
+extern void blk_invalidate_devt(dev_t devt);
 extern dev_t blk_lookup_devt(const char *name, int partno);
 extern char *disk_name (struct gendisk *hd, int partno, char *buf);