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diff --git a/sys/conf/NOTES b/sys/conf/NOTES
--- a/sys/conf/NOTES
+++ b/sys/conf/NOTES
@@ -277,13 +277,15 @@
# and WITNESS options.
options SX_NOINLINE
+# PREEMPTION allows the threads that are in the kernel to be preempted by
+# higher priority [interrupt] threads. It helps with interactivity
+# and allows interrupt threads to run sooner rather than waiting.
+options PREEMPTION
+
# SMP Debugging Options:
#
# CALLOUT_PROFILING enables rudimentary profiling of the callwheel data
# structure used as backend in callout(9).
-# PREEMPTION allows the threads that are in the kernel to be preempted by
-# higher priority [interrupt] threads. It helps with interactivity
-# and allows interrupt threads to run sooner rather than waiting.
# FULL_PREEMPTION instructs the kernel to preempt non-realtime kernel
# threads. Its sole use is to expose race conditions and other
# bugs during development. Enabling this option will reduce
@@ -303,7 +305,6 @@
# a lock hierarchy violation occurs or if locks are held when going to
# sleep.
# WITNESS_SKIPSPIN disables the witness checks on spin mutexes.
-options PREEMPTION
options FULL_PREEMPTION
options WITNESS
options WITNESS_KDB

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