[PATCH v2 4/6] mm/mremap: Don't enable optimized PUD move if page table levels is 2
Aneesh Kumar K.V
aneesh.kumar at linux.ibm.com
Wed Jun 16 14:52:37 AEST 2021
With two level page table don't enable move_normal_pud.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.ibm.com>
---
mm/mremap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/mremap.c b/mm/mremap.c
index 958ecdc6f29d..97313e316a4d 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -276,7 +276,7 @@ static inline bool move_normal_pmd(struct vm_area_struct *vma,
}
#endif
-#ifdef CONFIG_HAVE_MOVE_PUD
+#if CONFIG_PGTABLE_LEVELS > 2 && defined(CONFIG_HAVE_MOVE_PUD)
static bool move_normal_pud(struct vm_area_struct *vma, unsigned long old_addr,
unsigned long new_addr, pud_t *old_pud, pud_t *new_pud)
{
--
2.31.1
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