It's more recommended to use helper function migration_entry_to_page() to
get the page via migration entry. We can also enjoy the PageLocked()
check there.

Signed-off-by: Miaohe Lin <linmia...@huawei.com>
---
 mm/huge_memory.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index c00205e7c548..0a7a9884d0a2 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1693,7 +1693,7 @@ int zap_huge_pmd(struct mmu_gather *tlb, struct 
vm_area_struct *vma,
 
                        VM_BUG_ON(!is_pmd_migration_entry(orig_pmd));
                        entry = pmd_to_swp_entry(orig_pmd);
-                       page = pfn_to_page(swp_offset(entry));
+                       page = migration_entry_to_page(entry);
                        flush_needed = 0;
                } else
                        WARN_ONCE(1, "Non present huge pmd without pmd 
migration enabled!");
@@ -2101,7 +2101,7 @@ static void __split_huge_pmd_locked(struct vm_area_struct 
*vma, pmd_t *pmd,
                swp_entry_t entry;
 
                entry = pmd_to_swp_entry(old_pmd);
-               page = pfn_to_page(swp_offset(entry));
+               page = migration_entry_to_page(entry);
                write = is_write_migration_entry(entry);
                young = false;
                soft_dirty = pmd_swp_soft_dirty(old_pmd);
-- 
2.19.1

Reply via email to