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+
+config PREEMPT
+        bool "Preemptible Kernel"
+        help
+          This option reduces the latency of the kernel when reacting to
+          real-time or interactive events by allowing a low priority process to
+          be preempted even if it is in kernel mode executing a system call.
+          This allows applications to run more reliably even when the system is
+          under load.
+
+          Say Y here if you are building a kernel for a desktop, embedded
+          or real-time system.  Say N if you are unsure.
+
+config PREEMPT_BKL
+        bool "Preempt The Big Kernel Lock"
+        depends on PREEMPT
+        default y
+        help
+          This option reduces the latency of the kernel by making the
+          big kernel lock preemptible.
+
+          Say Y here if you are building a kernel for a desktop system.
+          Say N if you are unsure.
+