srcu: Fix typo s/srcu_check_read_flavor()/__srcu_check_read_flavor()/

This commit fixes a typo in which a comment needed to have been updated
from srcu_check_read_flavor() to __srcu_check_read_flavor().

Reported-by: Neeraj Upadhyay <[email protected]>
Closes: https://lore.kernel.org/all/[email protected]/
Signed-off-by: Paul E. McKenney <[email protected]>
Signed-off-by: Uladzislau Rezki (Sony) <[email protected]>

Author: paulmckrcu

include/linux/srcutree.h

@@ -258,7 +258,7 @@ static inline void srcu_check_read_flavor_lite(struct srcu_struct *ssp)
 	if (likely(READ_ONCE(sdp->srcu_reader_flavor) & SRCU_READ_FLAVOR_LITE))
 		return;
 
-	// Note that the cmpxchg() in srcu_check_read_flavor() is fully ordered.
+	// Note that the cmpxchg() in __srcu_check_read_flavor() is fully ordered.
 	__srcu_check_read_flavor(ssp, SRCU_READ_FLAVOR_LITE);
 }