LXR linux/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#endif
   8
   9#ifndef __ASSEMBLY__
  10
  11struct mm_struct;
  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
  21unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len,
  22                                      unsigned long flags, unsigned int psize,
  23                                      int topdown);
  24
  25unsigned int get_slice_psize(struct mm_struct *mm, unsigned long addr);
  26
  27void slice_set_range_psize(struct mm_struct *mm, unsigned long start,
  28                           unsigned long len, unsigned int psize);
  29
  30void slice_init_new_context_exec(struct mm_struct *mm);
  31void slice_setup_new_exec(void);
  32
  33#else /* CONFIG_PPC_MM_SLICES */
  34
  35static inline void slice_init_new_context_exec(struct mm_struct *mm) {}
  36
  37static inline unsigned int get_slice_psize(struct mm_struct *mm, unsigned long addr)
  38{
  39        return 0;
  40}
  41
  42#endif /* CONFIG_PPC_MM_SLICES */
  43
  44#endif /* __ASSEMBLY__ */
  45
  46#endif /* _ASM_POWERPC_SLICE_H */
  47