text: /* SPDX-License-Identifier: GPL-2.0 */
  #ifndef _ASM_POWERPC_SLICE_H
  #define _ASM_POWERPC_SLICE_H
  
  #ifdef CONFIG_PPC_BOOK3S_64
  #include <asm/book3s/64/slice.h>
  #elif defined(CONFIG_PPC64)
  #include <asm/nohash/64/slice.h>
  #elif defined(CONFIG_PPC_MMU_NOHASH)
  #include <asm/nohash/32/slice.h>
  #endif
  
  #ifndef __ASSEMBLY__
  
  struct mm_struct;
  
  #ifdef CONFIG_PPC_MM_SLICES
  
  #ifdef CONFIG_HUGETLB_PAGE
  #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
  #endif
  #define HAVE_ARCH_UNMAPPED_AREA
  #define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
  
  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);
  
  #else /* CONFIG_PPC_MM_SLICES */
  
  static inline void slice_init_new_context_exec(struct mm_struct *mm) {}
  
  #endif /* CONFIG_PPC_MM_SLICES */
  
  #endif /* __ASSEMBLY__ */
  
  #endif /* _ASM_POWERPC_SLICE_H */
  