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authorPaul E. McKenney <paul.mckenney@linaro.org>2012-01-05 14:44:39 -0800
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2012-02-21 09:03:24 -0800
commit0bb7b59d6e2b8440cd7097097dd4bbfc4d76ed07 (patch)
treef0f36a0a5b6ea4ffd1a43e0c7bb5e90803076746 /include/linux/rcutiny.h
parentfe15d706cfc1cb321dbe2329b04b5ca185edff60 (diff)
rcu: Add diagnostic for misaligned rcu_head structures
The push for energy efficiency will require that RCU tag rcu_head structures to indicate whether or not their invocation is time critical. This tagging is best carried out in the bottom bits of the ->next pointers in the rcu_head structures. This tagging requires that the rcu_head structures be properly aligned, so this commit adds the required diagnostics. Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
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