Commit:
d92a8cfcb37e ("locking/lockdep: Rework FS_RECLAIM annotation")
removed the 'reclaim_fs' lockdep STATE.
Reflect the change in the documentation.
While we are at it, also clarify the formula to calculate the number of state bits.
Signed-off-by: Juri Lelli <juri.lelli@redhat.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-doc@vger.kernel.org
Link: http://lkml.kernel.org/r/20180213185519.18186-2-juri.lelli@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
State
-----
-The validator tracks lock-class usage history into 4n + 1 separate state bits:
+The validator tracks lock-class usage history into 4 * nSTATEs + 1 separate
+state bits:
- 'ever held in STATE context'
- 'ever held as readlock in STATE context'
Where STATE can be either one of (kernel/locking/lockdep_states.h)
- hardirq
- softirq
- - reclaim_fs
- 'ever used' [ == !unused ]