1 /* SPDX-License-Identifier: GPL-2.0-only */ 1 2 /* 3 * Copyright (C) 2004, 2007-2010, 2011-2012 Sy 4 */ 5 6 #ifndef _ASM_ARC_PGTABLE_H 7 #define _ASM_ARC_PGTABLE_H 8 9 #include <linux/bits.h> 10 11 #include <asm/pgtable-levels.h> 12 #include <asm/pgtable-bits-arcv2.h> 13 #include <asm/page.h> 14 #include <asm/mmu.h> 15 16 /* 17 * Number of entries a user land program use. 18 * TASK_SIZE is the maximum vaddr that can be 19 */ 20 #define USER_PTRS_PER_PGD (TASK_SIZE / P 21 22 #ifndef __ASSEMBLY__ 23 24 extern char empty_zero_page[PAGE_SIZE]; 25 #define ZERO_PAGE(vaddr) (virt_to_page( 26 27 extern pgd_t swapper_pg_dir[] __aligned(PAGE_S 28 29 /* to cope with aliasing VIPT cache */ 30 #define HAVE_ARCH_UNMAPPED_AREA 31 32 #endif /* __ASSEMBLY__ */ 33 34 #endif 35
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