rcu: Add diagnostic for misaligned rcu_head structures

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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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Paul E. McKenney 2012-01-05 14:44:39 -08:00 • committed by Paul E. McKenney

parent fe15d706cf

commit 0bb7b59d6e

1 changed files with 1 additions and 0 deletions

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kernel/rcutree.c

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