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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_POWERPC_BOOK3S_64_SLICE_H #define _ASM_POWERPC_BOOK3S_64_SLICE_H #ifndef __ASSEMBLY__ #ifdef CONFIG_PPC_64S_HASH_MMU #ifdef CONFIG_HUGETLB_PAGE #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA #endif #define HAVE_ARCH_UNMAPPED_AREA #define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN #endif #define SLICE_LOW_SHIFT 28 #define SLICE_LOW_TOP (0x100000000ul) #define SLICE_NUM_LOW (SLICE_LOW_TOP >> SLICE_LOW_SHIFT) #define GET_LOW_SLICE_INDEX(addr) ((addr) >> SLICE_LOW_SHIFT) #define SLICE_HIGH_SHIFT 40 #define SLICE_NUM_HIGH (H_PGTABLE_RANGE >> SLICE_HIGH_SHIFT) #define GET_HIGH_SLICE_INDEX(addr) ((addr) >> SLICE_HIGH_SHIFT) #define SLB_ADDR_LIMIT_DEFAULT DEFAULT_MAP_WINDOW_USER64 struct mm_struct; unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len, unsigned long flags, unsigned int psize, int topdown); unsigned int get_slice_psize(struct mm_struct *mm, unsigned long addr); void slice_set_range_psize(struct mm_struct *mm, unsigned long start, unsigned long len, unsigned int psize); void slice_init_new_context_exec(struct mm_struct *mm); void slice_setup_new_exec(void); #endif /* __ASSEMBLY__ */ #endif /* _ASM_POWERPC_BOOK3S_64_SLICE_H */