rcu: Remove kfree_rcu() special casing and lazy-callback handling

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This commit removes kfree_rcu() special-casing and the lazy-callback
handling from Tree RCU.  It moves some of this special casing to Tiny RCU,
the removal of which will be the subject of later commits.

This results in a nice negative delta.

Suggested-by: Paul E. McKenney <paulmck@linux.ibm.com>
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
[ paulmck: Add slab.h #include, thanks to kbuild test robot <lkp@intel.com>. ]
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

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This commit is contained in:

Joel Fernandes (Google) 2019-08-30 12:36:32 -04:00 • committed by Paul E. McKenney

parent e99637becb

commit 77a40f9703

12 changed files with 90 additions and 159 deletions

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11

Documentation/RCU/stallwarn.txt

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2

include/linux/rcu_segcblist.h

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32

include/trace/events/rcu.h

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27

kernel/rcu/rcu.h

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25

kernel/rcu/rcu_segcblist.c

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25

kernel/rcu/rcu_segcblist.h

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4

kernel/rcu/srcutree.c

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28

kernel/rcu/tiny.c

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40

kernel/rcu/tree.c

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1

kernel/rcu/tree.h

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48

kernel/rcu/tree_plugin.h

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6

kernel/rcu/tree_stall.h

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