Michael Ellerman <m...@ellerman.id.au> writes: > If we enable RADIX but disable HUGETLBFS, the build breaks with: > > arch/powerpc/mm/pgtable-radix.c:557:7: error: implicit declaration of > function 'pmd_huge' > arch/powerpc/mm/pgtable-radix.c:588:7: error: implicit declaration of > function 'pud_huge' > > Fix it by stubbing those functions when HUGETLBFS=n. > Reviewed-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>
> Fixes: 4b5d62ca17a1 ("powerpc/mm: add radix__remove_section_mapping()") > Signed-off-by: Michael Ellerman <m...@ellerman.id.au> > --- > arch/powerpc/include/asm/book3s/64/pgtable-4k.h | 5 +++++ > arch/powerpc/include/asm/book3s/64/pgtable-64k.h | 3 +++ > 2 files changed, 8 insertions(+) > > diff --git a/arch/powerpc/include/asm/book3s/64/pgtable-4k.h > b/arch/powerpc/include/asm/book3s/64/pgtable-4k.h > index 9db83b4e017d..8708a0239a56 100644 > --- a/arch/powerpc/include/asm/book3s/64/pgtable-4k.h > +++ b/arch/powerpc/include/asm/book3s/64/pgtable-4k.h > @@ -47,7 +47,12 @@ static inline int hugepd_ok(hugepd_t hpd) > return hash__hugepd_ok(hpd); > } > #define is_hugepd(hpd) (hugepd_ok(hpd)) > + > +#else /* !CONFIG_HUGETLB_PAGE */ > +static inline int pmd_huge(pmd_t pmd) { return 0; } > +static inline int pud_huge(pud_t pud) { return 0; } > #endif /* CONFIG_HUGETLB_PAGE */ > + > #endif /* __ASSEMBLY__ */ > > #endif /*_ASM_POWERPC_BOOK3S_64_PGTABLE_4K_H */ > diff --git a/arch/powerpc/include/asm/book3s/64/pgtable-64k.h > b/arch/powerpc/include/asm/book3s/64/pgtable-64k.h > index 198aff33c380..2ce4209399ed 100644 > --- a/arch/powerpc/include/asm/book3s/64/pgtable-64k.h > +++ b/arch/powerpc/include/asm/book3s/64/pgtable-64k.h > @@ -46,6 +46,9 @@ static inline int hugepd_ok(hugepd_t hpd) > } > #define is_hugepd(pdep) 0 > > +#else /* !CONFIG_HUGETLB_PAGE */ > +static inline int pmd_huge(pmd_t pmd) { return 0; } > +static inline int pud_huge(pud_t pud) { return 0; } > #endif /* CONFIG_HUGETLB_PAGE */ > > static inline int remap_4k_pfn(struct vm_area_struct *vma, unsigned long > addr, > -- > 2.7.4