diff mbox series

[v4,31/34] sparc64: Convert various functions to use ptdescs

Message ID 20230612210423.18611-32-vishal.moola@gmail.com (mailing list archive)
State Handled Elsewhere
Headers show
Series Split ptdesc from struct page | expand

Commit Message

Vishal Moola June 12, 2023, 9:04 p.m. UTC 
As part of the conversions to replace pgtable constructor/destructors with
ptdesc equivalents, convert various page table functions to use ptdescs.

Signed-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>
---
 arch/sparc/mm/init_64.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

Comments

Mike Rapoport June 14, 2023, 3:20 p.m. UTC | #1 
On Mon, Jun 12, 2023 at 02:04:20PM -0700, Vishal Moola (Oracle) wrote:
> As part of the conversions to replace pgtable constructor/destructors with
> ptdesc equivalents, convert various page table functions to use ptdescs.
> 
> Signed-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>

Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>

> ---
>  arch/sparc/mm/init_64.c | 17 +++++++++--------
>  1 file changed, 9 insertions(+), 8 deletions(-)
> 
> diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
> index 04f9db0c3111..105915cd2eee 100644
> --- a/arch/sparc/mm/init_64.c
> +++ b/arch/sparc/mm/init_64.c
> @@ -2893,14 +2893,15 @@ pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
>  
>  pgtable_t pte_alloc_one(struct mm_struct *mm)
>  {
> -	struct page *page = alloc_page(GFP_KERNEL | __GFP_ZERO);
> -	if (!page)
> +	struct ptdesc *ptdesc = pagetable_alloc(GFP_KERNEL | __GFP_ZERO, 0);
> +
> +	if (!ptdesc)
>  		return NULL;
> -	if (!pgtable_pte_page_ctor(page)) {
> -		__free_page(page);
> +	if (!pagetable_pte_ctor(ptdesc)) {
> +		pagetable_free(ptdesc);
>  		return NULL;
>  	}
> -	return (pte_t *) page_address(page);
> +	return ptdesc_address(ptdesc);
>  }
>  
>  void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
> @@ -2910,10 +2911,10 @@ void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
>  
>  static void __pte_free(pgtable_t pte)
>  {
> -	struct page *page = virt_to_page(pte);
> +	struct ptdesc *ptdesc = virt_to_ptdesc(pte);
>  
> -	pgtable_pte_page_dtor(page);
> -	__free_page(page);
> +	pagetable_pte_dtor(ptdesc);
> +	pagetable_free(ptdesc);
>  }
>  
>  void pte_free(struct mm_struct *mm, pgtable_t pte)
> -- 
> 2.40.1
> 
> 
> _______________________________________________
> linux-riscv mailing list
> linux-riscv@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-riscv
diff mbox series

Patch

diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 04f9db0c3111..105915cd2eee 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -2893,14 +2893,15 @@  pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
 
 pgtable_t pte_alloc_one(struct mm_struct *mm)
 {
-	struct page *page = alloc_page(GFP_KERNEL | __GFP_ZERO);
-	if (!page)
+	struct ptdesc *ptdesc = pagetable_alloc(GFP_KERNEL | __GFP_ZERO, 0);
+
+	if (!ptdesc)
 		return NULL;
-	if (!pgtable_pte_page_ctor(page)) {
-		__free_page(page);
+	if (!pagetable_pte_ctor(ptdesc)) {
+		pagetable_free(ptdesc);
 		return NULL;
 	}
-	return (pte_t *) page_address(page);
+	return ptdesc_address(ptdesc);
 }
 
 void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
@@ -2910,10 +2911,10 @@  void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
 
 static void __pte_free(pgtable_t pte)
 {
-	struct page *page = virt_to_page(pte);
+	struct ptdesc *ptdesc = virt_to_ptdesc(pte);
 
-	pgtable_pte_page_dtor(page);
-	__free_page(page);
+	pagetable_pte_dtor(ptdesc);
+	pagetable_free(ptdesc);
 }
 
 void pte_free(struct mm_struct *mm, pgtable_t pte)