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-rw-r--r--arch/ia64/include/asm/cputime.h21
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diff --git a/arch/ia64/include/asm/cputime.h b/arch/ia64/include/asm/cputime.h
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+++ b/arch/ia64/include/asm/cputime.h
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Definitions for measuring cputime on ia64 machines.
+ *
+ * Based on <asm-powerpc/cputime.h>.
+ *
+ * Copyright (C) 2007 FUJITSU LIMITED
+ * Copyright (C) 2007 Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
+ *
+ * If we have CONFIG_VIRT_CPU_ACCOUNTING_NATIVE, we measure cpu time in nsec.
+ * Otherwise we measure cpu time in jiffies using the generic definitions.
+ */
+
+#ifndef __IA64_CPUTIME_H
+#define __IA64_CPUTIME_H
+
+#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
+extern void arch_vtime_task_switch(struct task_struct *tsk);
+#endif /* CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */
+
+#endif /* __IA64_CPUTIME_H */