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[v2,07/15] nios2: drop definition of PTE_ORDER

Message ID 20220705154708.181258-8-rppt@kernel.org (mailing list archive)
State Awaiting Upstream
Headers show
Series arch: make PxD_ORDER generically available | expand

Commit Message

Mike Rapoport July 5, 2022, 3:47 p.m. UTC
From: Mike Rapoport <rppt@linux.ibm.com>

This is the order of the page table allocation, not the order of a PTE.
Since its always hardwired to 0, simply drop it.

Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
---
 arch/nios2/include/asm/pgtable.h | 3 +--
 arch/nios2/mm/init.c             | 2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)

Comments

Dinh Nguyen July 11, 2022, 10:55 p.m. UTC | #1
On 7/5/22 10:47, Mike Rapoport wrote:
> From: Mike Rapoport <rppt@linux.ibm.com>
> 
> This is the order of the page table allocation, not the order of a PTE.
> Since its always hardwired to 0, simply drop it.
> 
> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
> ---
>   arch/nios2/include/asm/pgtable.h | 3 +--
>   arch/nios2/mm/init.c             | 2 +-
>   2 files changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/nios2/include/asm/pgtable.h b/arch/nios2/include/asm/pgtable.h
> index 262d0609268c..eaf8f28baa8b 100644
> --- a/arch/nios2/include/asm/pgtable.h
> +++ b/arch/nios2/include/asm/pgtable.h
> @@ -69,10 +69,9 @@ struct mm_struct;
>   #define PAGE_COPY MKP(0, 0, 1)
>   
>   #define PGD_ORDER	0
> -#define PTE_ORDER	0
>   
>   #define PTRS_PER_PGD	((PAGE_SIZE << PGD_ORDER) / sizeof(pgd_t))
> -#define PTRS_PER_PTE	((PAGE_SIZE << PTE_ORDER) / sizeof(pte_t))
> +#define PTRS_PER_PTE	(PAGE_SIZE / sizeof(pte_t))
>   
>   #define USER_PTRS_PER_PGD	\
>   	(CONFIG_NIOS2_KERNEL_MMU_REGION_BASE / PGDIR_SIZE)
> diff --git a/arch/nios2/mm/init.c b/arch/nios2/mm/init.c
> index 613fcaa5988a..2d6dbf7701f6 100644
> --- a/arch/nios2/mm/init.c
> +++ b/arch/nios2/mm/init.c
> @@ -80,7 +80,7 @@ void __init mmu_init(void)
>   
>   #define __page_aligned(order) __aligned(PAGE_SIZE << (order))
>   pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned(PGD_ORDER);
> -pte_t invalid_pte_table[PTRS_PER_PTE] __page_aligned(PTE_ORDER);
> +pte_t invalid_pte_table[PTRS_PER_PTE] __aligned(PAGE_SIZE);
>   static struct page *kuser_page[1];
>   
>   static int alloc_kuser_page(void)

Acked-by: Dinh Nguyen <dinguyen@kernel.org>
diff mbox series

Patch

diff --git a/arch/nios2/include/asm/pgtable.h b/arch/nios2/include/asm/pgtable.h
index 262d0609268c..eaf8f28baa8b 100644
--- a/arch/nios2/include/asm/pgtable.h
+++ b/arch/nios2/include/asm/pgtable.h
@@ -69,10 +69,9 @@  struct mm_struct;
 #define PAGE_COPY MKP(0, 0, 1)
 
 #define PGD_ORDER	0
-#define PTE_ORDER	0
 
 #define PTRS_PER_PGD	((PAGE_SIZE << PGD_ORDER) / sizeof(pgd_t))
-#define PTRS_PER_PTE	((PAGE_SIZE << PTE_ORDER) / sizeof(pte_t))
+#define PTRS_PER_PTE	(PAGE_SIZE / sizeof(pte_t))
 
 #define USER_PTRS_PER_PGD	\
 	(CONFIG_NIOS2_KERNEL_MMU_REGION_BASE / PGDIR_SIZE)
diff --git a/arch/nios2/mm/init.c b/arch/nios2/mm/init.c
index 613fcaa5988a..2d6dbf7701f6 100644
--- a/arch/nios2/mm/init.c
+++ b/arch/nios2/mm/init.c
@@ -80,7 +80,7 @@  void __init mmu_init(void)
 
 #define __page_aligned(order) __aligned(PAGE_SIZE << (order))
 pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned(PGD_ORDER);
-pte_t invalid_pte_table[PTRS_PER_PTE] __page_aligned(PTE_ORDER);
+pte_t invalid_pte_table[PTRS_PER_PTE] __aligned(PAGE_SIZE);
 static struct page *kuser_page[1];
 
 static int alloc_kuser_page(void)