[PATCH v2 07/16] mm: Change pudp_huge_get_and_clear_full take vm_area_struct as arg

Aneesh Kumar K.V aneesh.kumar at linux.ibm.com
Fri Jun 16 21:08:17 AEST 2023


We will use this in a later patch to do tlb flush when clearing pud entries
on powerpc. This is similar to commit 93a98695f2f9 ("mm: change
pmdp_huge_get_and_clear_full take vm_area_struct as arg")

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar at linux.ibm.com>
---
 include/linux/pgtable.h | 4 ++--
 mm/debug_vm_pgtable.c   | 2 +-
 mm/huge_memory.c        | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index b3f4dd0240f5..2fe19720075e 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -442,11 +442,11 @@ static inline pmd_t pmdp_huge_get_and_clear_full(struct vm_area_struct *vma,
 #endif
 
 #ifndef __HAVE_ARCH_PUDP_HUGE_GET_AND_CLEAR_FULL
-static inline pud_t pudp_huge_get_and_clear_full(struct mm_struct *mm,
+static inline pud_t pudp_huge_get_and_clear_full(struct vm_area_struct *vma,
 					    unsigned long address, pud_t *pudp,
 					    int full)
 {
-	return pudp_huge_get_and_clear(mm, address, pudp);
+	return pudp_huge_get_and_clear(vma->vm_mm, address, pudp);
 }
 #endif
 #endif /* CONFIG_TRANSPARENT_HUGEPAGE */
diff --git a/mm/debug_vm_pgtable.c b/mm/debug_vm_pgtable.c
index c54177aabebd..c2bf25d5e5cd 100644
--- a/mm/debug_vm_pgtable.c
+++ b/mm/debug_vm_pgtable.c
@@ -382,7 +382,7 @@ static void __init pud_advanced_tests(struct pgtable_debug_args *args)
 	WARN_ON(!(pud_write(pud) && pud_dirty(pud)));
 
 #ifndef __PAGETABLE_PMD_FOLDED
-	pudp_huge_get_and_clear_full(args->mm, vaddr, args->pudp, 1);
+	pudp_huge_get_and_clear_full(args->vma, vaddr, args->pudp, 1);
 	pud = READ_ONCE(*args->pudp);
 	WARN_ON(!pud_none(pud));
 #endif /* __PAGETABLE_PMD_FOLDED */
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 624671aaa60d..8774b4751a84 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1980,7 +1980,7 @@ int zap_huge_pud(struct mmu_gather *tlb, struct vm_area_struct *vma,
 	if (!ptl)
 		return 0;
 
-	pudp_huge_get_and_clear_full(tlb->mm, addr, pud, tlb->fullmm);
+	pudp_huge_get_and_clear_full(vma, addr, pud, tlb->fullmm);
 	tlb_remove_pud_tlb_entry(tlb, pud, addr);
 	if (vma_is_special_huge(vma)) {
 		spin_unlock(ptl);
-- 
2.40.1



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