On Tue, May 15, 2018 at 01:38:04PM -0400, Waiman Long wrote: > +/* > + * Owner value to indicate the rwsem's owner is not currently known. > + */ > +#define RWSEM_OWNER_UNKNOWN ((struct task_struct *)-1) It might be nice to comment that this works and relies on having that ANON_OWNER bit set.
