On Mon, Jun 12, 2023 at 02:04:00PM -0700, Vishal Moola (Oracle) wrote:
> This removes some direct accesses to struct page, working towards
> splitting out struct ptdesc from struct page.
>
> Signed-off-by: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx>
Acked-by: Mike Rapoport (IBM) <rppt@xxxxxxxxxx>
> ---
> include/linux/mm.h | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/include/linux/mm.h b/include/linux/mm.h
> index f48e626d9c98..3b54bb4c9753 100644
> --- a/include/linux/mm.h
> +++ b/include/linux/mm.h
> @@ -2950,12 +2950,12 @@ static inline bool pmd_ptlock_init(struct ptdesc *ptdesc)
> return ptlock_init(ptdesc);
> }
>
> -static inline void pmd_ptlock_free(struct page *page)
> +static inline void pmd_ptlock_free(struct ptdesc *ptdesc)
> {
> #ifdef CONFIG_TRANSPARENT_HUGEPAGE
> - VM_BUG_ON_PAGE(page->pmd_huge_pte, page);
> + VM_BUG_ON_PAGE(ptdesc->pmd_huge_pte, ptdesc_page(ptdesc));
> #endif
> - ptlock_free(page);
> + ptlock_free(ptdesc_page(ptdesc));
> }
>
> #define pmd_huge_pte(mm, pmd) (pmd_ptdesc(pmd)->pmd_huge_pte)
> @@ -2968,7 +2968,7 @@ static inline spinlock_t *pmd_lockptr(struct mm_struct *mm, pmd_t *pmd)
> }
>
> static inline bool pmd_ptlock_init(struct ptdesc *ptdesc) { return true; }
> -static inline void pmd_ptlock_free(struct page *page) {}
> +static inline void pmd_ptlock_free(struct ptdesc *ptdesc) {}
>
> #define pmd_huge_pte(mm, pmd) ((mm)->pmd_huge_pte)
>
> @@ -2992,7 +2992,7 @@ static inline bool pgtable_pmd_page_ctor(struct page *page)
>
> static inline void pgtable_pmd_page_dtor(struct page *page)
> {
> - pmd_ptlock_free(page);
> + pmd_ptlock_free(page_ptdesc(page));
> __ClearPageTable(page);
> dec_lruvec_page_state(page, NR_PAGETABLE);
> }
> --
> 2.40.1
>
>
--
Sincerely yours,
Mike.
