Commit a6f197f8 authored by Aneesh Kumar K.V's avatar Aneesh Kumar K.V Committed by Dan Williams
Browse files

powerpc/book3s64: Export has_transparent_hugepage() related functions.



In later patch, we want to use hash_transparent_hugepage() in a kernel module.
Export two related functions.
Acked-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Signed-off-by: default avatarAneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Link: https://lore.kernel.org/r/20190924042440.27946-1-aneesh.kumar@linux.ibm.com

Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 5b26db95
......@@ -254,7 +254,13 @@ extern void radix__pgtable_trans_huge_deposit(struct mm_struct *mm, pmd_t *pmdp,
extern pgtable_t radix__pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp);
extern pmd_t radix__pmdp_huge_get_and_clear(struct mm_struct *mm,
unsigned long addr, pmd_t *pmdp);
extern int radix__has_transparent_hugepage(void);
static inline int radix__has_transparent_hugepage(void)
{
/* For radix 2M at PMD level means thp */
if (mmu_psize_defs[MMU_PAGE_2M].shift == PMD_SHIFT)
return 1;
return 0;
}
#endif
extern int __meminit radix__vmemmap_create_mapping(unsigned long start,
......
......@@ -406,6 +406,8 @@ int hash__has_transparent_hugepage(void)
return 1;
}
EXPORT_SYMBOL_GPL(hash__has_transparent_hugepage);
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
#ifdef CONFIG_STRICT_KERNEL_RWX
......
......@@ -1057,13 +1057,6 @@ pmd_t radix__pmdp_huge_get_and_clear(struct mm_struct *mm,
return old_pmd;
}
int radix__has_transparent_hugepage(void)
{
/* For radix 2M at PMD level means thp */
if (mmu_psize_defs[MMU_PAGE_2M].shift == PMD_SHIFT)
return 1;
return 0;
}
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
void radix__ptep_set_access_flags(struct vm_area_struct *vma, pte_t *ptep,
......
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