[PATCH 2/2] hugetlb: Simplyfy hugetlb_wp() arguments

[Vishal Moola (Oracle)]

To simplify the function arguments, as suggested by Oscar and Muchun.

Suggested-by: Muchun Song <muchun.song@xxxxxxxxx>
Suggested-by: Oscar Salvador <osalvador@xxxxxxx>
Signed-off-by: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx>
---
 mm/hugetlb.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 05fe610f4699..0d96a41efde8 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -5915,10 +5915,11 @@ static void unmap_ref_private(struct mm_struct *mm, struct vm_area_struct *vma,
  * cannot race with other handlers or page migration.
  * Keep the pte_same checks anyway to make transition from the mutex easier.
  */
-static vm_fault_t hugetlb_wp(struct mm_struct *mm, struct vm_area_struct *vma,
-		       struct folio *pagecache_folio,
+static vm_fault_t hugetlb_wp(struct folio *pagecache_folio,
 		       struct vm_fault *vmf)
 {
+	struct vm_area_struct *vma = vmf->vma;
+	struct mm_struct *mm = vma->vm_mm;
 	const bool unshare = vmf->flags & FAULT_FLAG_UNSHARE;
 	pte_t pte = huge_ptep_get(vmf->pte);
 	struct hstate *h = hstate_vma(vma);
@@ -6364,7 +6365,7 @@ static vm_fault_t hugetlb_no_page(struct address_space *mapping,
 	hugetlb_count_add(pages_per_huge_page(h), mm);
 	if ((vmf->flags & FAULT_FLAG_WRITE) && !(vma->vm_flags & VM_SHARED)) {
 		/* Optimization, do the COW without a second fault */
-		ret = hugetlb_wp(mm, vma, folio, vmf);
+		ret = hugetlb_wp(folio, vmf);
 	}
 
 	spin_unlock(vmf->ptl);
@@ -6577,7 +6578,7 @@ vm_fault_t hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 
 	if (flags & (FAULT_FLAG_WRITE|FAULT_FLAG_UNSHARE)) {
 		if (!huge_pte_write(vmf.orig_pte)) {
-			ret = hugetlb_wp(mm, vma, pagecache_folio, &vmf);
+			ret = hugetlb_wp(pagecache_folio, &vmf);
 			goto out_put_page;
 		} else if (likely(flags & FAULT_FLAG_WRITE)) {
 			vmf.orig_pte = huge_pte_mkdirty(vmf.orig_pte);
-- 
2.43.0


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