1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License version 2 as 7 * published by the Free Software Foundation. 8 */ 9 10 #ifndef _UAPI__ASM_ARC_PAGE_H 11 #define _UAPI__ASM_ARC_PAGE_H 12 13 #include <linux/const.h> 14 15 /* PAGE_SHIFT determines the page size */ 16 #ifdef __KERNEL__ 17 #define PAGE_SHIFT CONFIG_PAGE_SHIFT 18 #else 19 /* 20 * Default 8k 21 * done this way (instead of under CONFIG_ARC_PAGE_SIZE_8K) because adhoc 22 * user code (busybox appletlib.h) expects PAGE_SHIFT to be defined w/o 23 * using the correct uClibc header and in their build our autoconf.h is 24 * not available 25 */ 26 #define PAGE_SHIFT 13 27 #endif 28 29 #define PAGE_SIZE _BITUL(PAGE_SHIFT) /* Default 8K */ 30 #define PAGE_OFFSET _AC(0x80000000, UL) /* Kernel starts at 2G onwrds */ 31 32 #define PAGE_MASK (~(PAGE_SIZE-1)) 33 34 #endif /* _UAPI__ASM_ARC_PAGE_H */ 35
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