arch/powerpc/include/asm/slice.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _ASM_POWERPC_SLICE_H
   3 #define _ASM_POWERPC_SLICE_H
   4
   5 #ifdef CONFIG_PPC_BOOK3S_64
   6 #include <asm/book3s/64/slice.h>
   7 #elif defined(CONFIG_PPC64)
   8 #include <asm/nohash/64/slice.h>
   9 #elif defined(CONFIG_PPC_MMU_NOHASH)
  10 #include <asm/nohash/32/slice.h>
  11 #endif
  12
  13 #ifdef CONFIG_PPC_MM_SLICES
  14
  15 #ifdef CONFIG_HUGETLB_PAGE
  16 #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
  17 #endif
  18 #define HAVE_ARCH_UNMAPPED_AREA
  19 #define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
  20
  21 #ifndef __ASSEMBLY__
  22
  23 struct mm_struct;
  24
  25 unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len,
  26                                       unsigned long flags, unsigned int psize,
  27                                       int topdown);
  28
  29 unsigned int get_slice_psize(struct mm_struct *mm, unsigned long addr);
  30
  31 void slice_set_range_psize(struct mm_struct *mm, unsigned long start,
  32                            unsigned long len, unsigned int psize);
  33
  34 void slice_init_new_context_exec(struct mm_struct *mm);
  35
  36 #endif /* __ASSEMBLY__ */
  37
  38 #endif /* CONFIG_PPC_MM_SLICES */
  39
  40 #endif /* _ASM_POWERPC_SLICE_H */