Le 10/07/2023 à 18:08, Aneesh Kumar K.V a écrit :
> 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@xxxxxxxxxxxxx>
Reviewed-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
> ---
> 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 cf13f8d938a8..6fd9b2831338 100644
> --- a/include/linux/pgtable.h
> +++ b/include/linux/pgtable.h
> @@ -450,11 +450,11 @@ 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 ee119e33fef1..ee2c4c1dcfc8 100644
> --- a/mm/debug_vm_pgtable.c
> +++ b/mm/debug_vm_pgtable.c
> @@ -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 */
> diff --git a/mm/huge_memory.c b/mm/huge_memory.c
> index eb3678360b97..ba20cef681a4 100644
> --- a/mm/huge_memory.c
> +++ b/mm/huge_memory.c
> @@ -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);
