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doc: Repair some whitespace damage

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A diagram in whatisRCU.txt has space character before tabs.  This commit
therefore makes this diagram consistent with elsewhere in the document:
Use one leading tab, followed by spaces for any additional whitespace
required.

Signed-off-by: Tycho Andersen <tycho@tycho.ws>
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
This commit is contained in:
Tycho Andersen 2019-01-29 15:05:46 -07:00 committed by Paul E. McKenney
parent 4fea6ef0b2
commit 0fa201d161
1 changed files with 5 additions and 5 deletions
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10
Documentation/RCU/whatisRCU.txt
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@ -310,7 +310,7 @@ reader, updater, and reclaimer.
rcu_assign_pointer()
+--------+
+--------+
+---------------------->| reader |---------+
| +--------+ |
| | |
@ -318,12 +318,12 @@ reader, updater, and reclaimer.
| | | rcu_read_lock()
| | | rcu_read_unlock()
| rcu_dereference() | |
+---------+ | |
| updater |<---------------------+ |
+---------+ V
+---------+ | |
| updater |<----------------+ |
+---------+ V
| +-----------+
+----------------------------------->| reclaimer |
+-----------+
+-----------+
Defer:
synchronize_rcu() & call_rcu()