diff mbox series

[4/6] mm/mremap: Don't enable optimized PUD move if page table levels is 2

Message ID 20210610083549.386085-5-aneesh.kumar@linux.ibm.com (mailing list archive)
State Superseded
Headers show
Series mremap fixes | expand
Related show

Checks

Context Check Description
snowpatch_ozlabs/apply_patch success Successfully applied on branch powerpc/merge (c53db722ec7ab3ebf29ecf61e922820f31e5284b)
snowpatch_ozlabs/checkpatch success total: 0 errors, 0 warnings, 0 checks, 8 lines checked
snowpatch_ozlabs/needsstable success Patch has no Fixes tags

Commit Message

Aneesh Kumar K V June 10, 2021, 8:35 a.m. UTC
With two level page table don't enable move_normal_pud.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
---
 mm/mremap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/mm/mremap.c b/mm/mremap.c
index 92ab7d24a587..795a7d628b53 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)
 {