linux-kernel - [RFC PATCH 12/18] mm/thp: pass ptdesc to set_huge_zero

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Message-ID: <20240730072719.3715016-2-alexs@kernel.org>
Date: Tue, 30 Jul 2024 15:27:13 +0800
From: alexs@...nel.org
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Subject: [RFC PATCH 12/18] mm/thp: pass ptdesc to set_huge_zero_folio function

From: Alex Shi <alexs@...nel.org>

Aim is still replace struct page to ptdesc.

Signed-off-by: Alex Shi <alexs@...nel.org>
Cc: linux-kernel@...r.kernel.org
Cc: linux-mm@...ck.org
Cc: Andrew Morton <akpm@...ux-foundation.org>
---
 mm/huge_memory.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index dc323453fa02..1c121ec85447 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1055,7 +1055,7 @@ gfp_t vma_thp_gfp_mask(struct vm_area_struct *vma)
 }
 
 /* Caller must hold page table lock. */
-static void set_huge_zero_folio(pgtable_t pgtable, struct mm_struct *mm,
+static void set_huge_zero_folio(struct ptdesc *ptdesc, struct mm_struct *mm,
 		struct vm_area_struct *vma, unsigned long haddr, pmd_t *pmd,
 		struct folio *zero_folio)
 {
@@ -1064,7 +1064,7 @@ static void set_huge_zero_folio(pgtable_t pgtable, struct mm_struct *mm,
 		return;
 	entry = mk_pmd(&zero_folio->page, vma->vm_page_prot);
 	entry = pmd_mkhuge(entry);
-	pgtable_trans_huge_deposit(mm, pmd, pgtable);
+	pgtable_trans_huge_deposit(mm, pmd, ptdesc_page(ptdesc));
 	set_pmd_at(mm, haddr, pmd, entry);
 	mm_inc_nr_ptes(mm);
 }
@@ -1113,7 +1113,7 @@ vm_fault_t do_huge_pmd_anonymous_page(struct vm_fault *vmf)
 				ret = handle_userfault(vmf, VM_UFFD_MISSING);
 				VM_BUG_ON(ret & VM_FAULT_FALLBACK);
 			} else {
-				set_huge_zero_folio(ptdesc_page(ptdesc), vma->vm_mm, vma,
+				set_huge_zero_folio(ptdesc, vma->vm_mm, vma,
 						   haddr, vmf->pmd, zero_folio);
 				update_mmu_cache_pmd(vma, vmf->address, vmf->pmd);
 				spin_unlock(vmf->ptl);
-- 
2.43.0