diff options
Diffstat (limited to 'arch/powerpc/include/asm/pgtable.h')
| -rw-r--r-- | arch/powerpc/include/asm/pgtable.h | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h index 9679b7519a35..f2bfaf674674 100644 --- a/arch/powerpc/include/asm/pgtable.h +++ b/arch/powerpc/include/asm/pgtable.h @@ -101,7 +101,7 @@ extern int gup_hugepte(pte_t *ptep, unsigned long sz, unsigned long addr, /* can we use this in kvm */ unsigned long vmalloc_to_phys(void *vmalloc_addr); -void pgtable_cache_add(unsigned shift, void (*ctor)(void *)); +void pgtable_cache_add(unsigned int shift); void pgtable_cache_init(void); #if defined(CONFIG_STRICT_KERNEL_RWX) || defined(CONFIG_PPC32) @@ -110,6 +110,35 @@ void mark_initmem_nx(void); static inline void mark_initmem_nx(void) { } #endif +/* + * When used, PTE_FRAG_NR is defined in subarch pgtable.h + * so we are sure it is included when arriving here. + */ +#ifdef PTE_FRAG_NR +static inline void *pte_frag_get(mm_context_t *ctx) +{ + return ctx->pte_frag; +} + +static inline void pte_frag_set(mm_context_t *ctx, void *p) +{ + ctx->pte_frag = p; +} +#else +#define PTE_FRAG_NR 1 +#define PTE_FRAG_SIZE_SHIFT PAGE_SHIFT +#define PTE_FRAG_SIZE (1UL << PTE_FRAG_SIZE_SHIFT) + +static inline void *pte_frag_get(mm_context_t *ctx) +{ + return NULL; +} + +static inline void pte_frag_set(mm_context_t *ctx, void *p) +{ +} +#endif + #endif /* __ASSEMBLY__ */ #endif /* _ASM_POWERPC_PGTABLE_H */ |
