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diff --git a/arch/powerpc/include/asm/iseries/alpaca.h b/arch/powerpc/include/asm/iseries/alpaca.h
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+/*
+ * Copyright © 2008 Stephen Rothwell IBM Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#ifndef _ASM_POWERPC_ISERIES_ALPACA_H
+#define _ASM_POWERPC_ISERIES_ALPACA_H
+
+/*
+ * This is the part of the paca that the iSeries hypervisor
+ * needs to be statically initialised. Immediately after boot
+ * we switch to the normal Linux paca.
+ */
+struct alpaca {
+ struct lppaca *lppaca_ptr; /* Pointer to LpPaca for PLIC */
+ const void *reg_save_ptr; /* Pointer to LpRegSave for PLIC */
+};
+
+#endif /* _ASM_POWERPC_ISERIES_ALPACA_H */