powerpc: move find_linux_pte_or_hugepte and gup_hugepte to common code
We will use this in the later patch for handling THP pages
Reviewed-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h
index d53db93..959d575 100644
--- a/arch/powerpc/include/asm/pgtable.h
+++ b/arch/powerpc/include/asm/pgtable.h
@@ -224,6 +224,8 @@
#define pmd_large(pmd) 0
#define has_transparent_hugepage() 0
#endif
+pte_t *find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea,
+ unsigned *shift);
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */