Commit b0c9d7ff authored Mar 29, 2011 by Paul E. McKenney

rcu: add DEBUG_OBJECTS_RCU_HEAD check for alignment



Verify that rcu_head structures are aligned to a four-byte boundary.
This check is enabled by CONFIG_DEBUG_OBJECTS_RCU_HEAD.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>

parent fc2ecf7e

include/linux/rcupdate.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -785,6 +785,7 @@ extern struct debug_obj_descr rcuhead_debug_descr;

		static inline void debug_rcu_head_queue(struct rcu_head *head)
		{
		WARN_ON_ONCE((unsigned long)head & 0x3);
		debug_object_activate(head, &rcuhead_debug_descr);
		debug_object_active_state(head, &rcuhead_debug_descr,
		STATE_RCU_HEAD_READY,

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