Commit d92a8cfcb37e ("locking/lockdep: Rework FS_RECLAIM annotation") removed
reclaim_fs lockdep STATE.
Reflect the change in documentation.
While we are at it, also clarify formula to calculate number of state
bits.
Signed-off-by: Juri Lelli <juri.lelli@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: linux-doc@xxxxxxxxxxxxxxx
---
Documentation/locking/lockdep-design.txt | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/Documentation/locking/lockdep-design.txt b/Documentation/locking/lockdep-design.txt
index 9de1c158d44c..e341c2f34e68 100644
--- a/Documentation/locking/lockdep-design.txt
+++ b/Documentation/locking/lockdep-design.txt
@@ -27,7 +27,8 @@ lock-class.
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'
@@ -37,7 +38,6 @@ The validator tracks lock-class usage history into 4n + 1 separate state bits:
Where STATE can be either one of (kernel/locking/lockdep_states.h)
- hardirq
- softirq
- - reclaim_fs
- 'ever used' [ == !unused ]
--
2.14.3
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