Fix the !THP build by making pmd_pfn() available in all configurations.
Because pmd_pfn() is used in mm/page_vma_mapped.c whether or not THP is
configured.
Signed-off-by: Huacai Chen <chenhuacai@xxxxxxxxxxx>
---
arch/loongarch/include/asm/pgtable.h | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/arch/loongarch/include/asm/pgtable.h b/arch/loongarch/include/asm/pgtable.h
index 5dc84d8f18d6..d9e86cfa53e2 100644
--- a/arch/loongarch/include/asm/pgtable.h
+++ b/arch/loongarch/include/asm/pgtable.h
@@ -426,6 +426,11 @@ static inline void update_mmu_cache_pmd(struct vm_area_struct *vma,
#define kern_addr_valid(addr) (1)
+static inline unsigned long pmd_pfn(pmd_t pmd)
+{
+ return (pmd_val(pmd) & _PFN_MASK) >> _PFN_SHIFT;
+}
+
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
/* We don't have hardware dirty/accessed bits, generic_pmdp_establish is fine.*/
@@ -497,11 +502,6 @@ static inline pmd_t pmd_mkyoung(pmd_t pmd)
return pmd;
}
-static inline unsigned long pmd_pfn(pmd_t pmd)
-{
- return (pmd_val(pmd) & _PFN_MASK) >> _PFN_SHIFT;
-}
-
static inline struct page *pmd_page(pmd_t pmd)
{
if (pmd_trans_huge(pmd))
--
2.27.0
