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rcu: Add comment headers to expedited-grace-period counter functions
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Sun, 18 Dec 2016 21:31:02 +0000 (13:31 -0800)
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Mon, 23 Jan 2017 19:37:13 +0000 (11:37 -0800)
commit09e2db37ec6d22bc27e2ba94ab4889541567f52e
tree13e2304bed14a35b748222c0d170848c835dc0ce
parent630c7ed9ca0608912fa7c8591d05dfc8742dc9e6
rcu: Add comment headers to expedited-grace-period counter functions

These functions (rcu_exp_gp_seq_start(), rcu_exp_gp_seq_end(),
rcu_exp_gp_seq_snap(), and rcu_exp_gp_seq_done() seemed too obvious
to comment when written, but not so much when being documented.
This commit therefore adds header comments to each of them.

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