mm: change pudp_huge_get_and_clear_full take vm_area_struct as arg
authorAneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Mon, 24 Jul 2023 19:07:48 +0000 (00:37 +0530)
committerAndrew Morton <akpm@linux-foundation.org>
Fri, 18 Aug 2023 17:12:53 +0000 (10:12 -0700)
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")

Link: https://lkml.kernel.org/r/20230724190759.483013-3-aneesh.kumar@linux.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Joao Martins <joao.m.martins@oracle.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
include/linux/pgtable.h
mm/debug_vm_pgtable.c
mm/huge_memory.c

index 5eb6bdf..124427e 100644 (file)
@@ -456,11 +456,11 @@ 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 */
index 844fdfd..d61eaa0 100644 (file)
@@ -385,7 +385,7 @@ 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 */
index e0420de..e371503 100644 (file)
@@ -1981,7 +1981,7 @@ 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);