[PATCH] tools/memory-model: Fix smp_mb__after_spinlock() spelling

From: Björn Töpel <redacted>

A misspelled invokation of git-grep, revealed that
smp_mb__after_spinlock() was misspelled in explaination.txt.

Add missing "_" to smp_mb__after_spinlock().

Fixes: 1c27b644c0fd ("Automate memory-barriers.txt; provide Linux-kernel memory model")
Signed-off-by: Björn Töpel <redacted>
---
 tools/memory-model/Documentation/explanation.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/memory-model/Documentation/explanation.txt b/tools/memory-model/Documentation/explanation.txt
index f9d610d5a1a4..5d72f3112e56 100644
--- a/tools/memory-model/Documentation/explanation.txt
+++ b/tools/memory-model/Documentation/explanation.txt

@@ -2510,7 +2510,7 @@ they behave as follows:
 	smp_mb__after_atomic() orders po-earlier atomic updates and
 	the events preceding them against all po-later events;
 
-	smp_mb_after_spinlock() orders po-earlier lock acquisition
+	smp_mb__after_spinlock() orders po-earlier lock acquisition
 	events and the events preceding them against all po-later
 	events.
 

base-commit: 7f58c0fb9238abaa3997185ceec319201b6f5a94
-- 
2.27.0