Use helper touch_pmd to set pmd accessed to simplify the code and improve
the readability. No functional change intended.
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
mm/huge_memory.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index a0c0e4bf9c1e..c6302fe6704b 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1297,21 +1297,15 @@ void huge_pud_set_accessed(struct vm_fault *vmf, pud_t orig_pud)
void huge_pmd_set_accessed(struct vm_fault *vmf)
{
- pmd_t entry;
- unsigned long haddr;
- bool write = vmf->flags & FAULT_FLAG_WRITE;
- pmd_t orig_pmd = vmf->orig_pmd;
+ int flags = 0;
vmf->ptl = pmd_lock(vmf->vma->vm_mm, vmf->pmd);
- if (unlikely(!pmd_same(*vmf->pmd, orig_pmd)))
+ if (unlikely(!pmd_same(*vmf->pmd, vmf->orig_pmd)))
goto unlock;
- entry = pmd_mkyoung(orig_pmd);
- if (write)
- entry = pmd_mkdirty(entry);
- haddr = vmf->address & HPAGE_PMD_MASK;
- if (pmdp_set_access_flags(vmf->vma, haddr, vmf->pmd, entry, write))
- update_mmu_cache_pmd(vmf->vma, vmf->address, vmf->pmd);
+ if (vmf->flags & FAULT_FLAG_WRITE)
+ flags = FOLL_WRITE;
+ touch_pmd(vmf->vma, vmf->address, vmf->pmd, flags);
unlock:
spin_unlock(vmf->ptl);
--
2.23.0
