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
11 struct 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
21 unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len,
22 unsigned long flags, unsigned int psize,
23 int topdown);
24
25 unsigned int get_slice_psize(struct mm_struct *mm, unsigned long addr);
26
27 void slice_set_range_psize(struct mm_struct *mm, unsigned long start,
28 unsigned long len, unsigned int psize);
29
30 void slice_init_new_context_exec(struct mm_struct *mm);
31 void slice_setup_new_exec(void);
32
33 #else /* CONFIG_PPC_MM_SLICES */
34
slice_init_new_context_exec(struct mm_struct * mm)35 static inline void slice_init_new_context_exec(struct mm_struct *mm) {}
36
get_slice_psize(struct mm_struct * mm,unsigned long addr)37 static 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