| Message ID | 20220705154708.181258-9-rppt@kernel.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | arch: make PxD_ORDER generically available | expand |
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 PGD. > Since its always hardwired to 0, simply drop it. > > Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> > --- > arch/nios2/include/asm/pgtable.h | 4 +--- > arch/nios2/mm/init.c | 3 +-- > arch/nios2/mm/pgtable.c | 2 +- > 3 files changed, 3 insertions(+), 6 deletions(-) > > diff --git a/arch/nios2/include/asm/pgtable.h b/arch/nios2/include/asm/pgtable.h > index eaf8f28baa8b..74af16dafe86 100644 > --- a/arch/nios2/include/asm/pgtable.h > +++ b/arch/nios2/include/asm/pgtable.h > @@ -68,9 +68,7 @@ struct mm_struct; > > #define PAGE_COPY MKP(0, 0, 1) > > -#define PGD_ORDER 0 > - > -#define PTRS_PER_PGD ((PAGE_SIZE << PGD_ORDER) / sizeof(pgd_t)) > +#define PTRS_PER_PGD (PAGE_SIZE / sizeof(pgd_t)) > #define PTRS_PER_PTE (PAGE_SIZE / sizeof(pte_t)) > > #define USER_PTRS_PER_PGD \ > diff --git a/arch/nios2/mm/init.c b/arch/nios2/mm/init.c > index 2d6dbf7701f6..eab65e8ea69c 100644 > --- a/arch/nios2/mm/init.c > +++ b/arch/nios2/mm/init.c > @@ -78,8 +78,7 @@ void __init mmu_init(void) > flush_tlb_all(); > } > > -#define __page_aligned(order) __aligned(PAGE_SIZE << (order)) > -pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned(PGD_ORDER); > +pgd_t swapper_pg_dir[PTRS_PER_PGD] __aligned(PAGE_SIZE); > pte_t invalid_pte_table[PTRS_PER_PTE] __aligned(PAGE_SIZE); > static struct page *kuser_page[1]; > > diff --git a/arch/nios2/mm/pgtable.c b/arch/nios2/mm/pgtable.c > index 9b587fd592dd..7c76e8a7447a 100644 > --- a/arch/nios2/mm/pgtable.c > +++ b/arch/nios2/mm/pgtable.c > @@ -54,7 +54,7 @@ pgd_t *pgd_alloc(struct mm_struct *mm) > { > pgd_t *ret, *init; > > - ret = (pgd_t *) __get_free_pages(GFP_KERNEL, PGD_ORDER); > + ret = (pgd_t *) __get_free_page(GFP_KERNEL); > if (ret) { > init = pgd_offset(&init_mm, 0UL); > pgd_init(ret); Acked-by: Dinh Nguyen <dinguyen@kernel.org>
diff --git a/arch/nios2/include/asm/pgtable.h b/arch/nios2/include/asm/pgtable.h index eaf8f28baa8b..74af16dafe86 100644 --- a/arch/nios2/include/asm/pgtable.h +++ b/arch/nios2/include/asm/pgtable.h @@ -68,9 +68,7 @@ struct mm_struct; #define PAGE_COPY MKP(0, 0, 1) -#define PGD_ORDER 0 - -#define PTRS_PER_PGD ((PAGE_SIZE << PGD_ORDER) / sizeof(pgd_t)) +#define PTRS_PER_PGD (PAGE_SIZE / sizeof(pgd_t)) #define PTRS_PER_PTE (PAGE_SIZE / sizeof(pte_t)) #define USER_PTRS_PER_PGD \ diff --git a/arch/nios2/mm/init.c b/arch/nios2/mm/init.c index 2d6dbf7701f6..eab65e8ea69c 100644 --- a/arch/nios2/mm/init.c +++ b/arch/nios2/mm/init.c @@ -78,8 +78,7 @@ void __init mmu_init(void) flush_tlb_all(); } -#define __page_aligned(order) __aligned(PAGE_SIZE << (order)) -pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned(PGD_ORDER); +pgd_t swapper_pg_dir[PTRS_PER_PGD] __aligned(PAGE_SIZE); pte_t invalid_pte_table[PTRS_PER_PTE] __aligned(PAGE_SIZE); static struct page *kuser_page[1]; diff --git a/arch/nios2/mm/pgtable.c b/arch/nios2/mm/pgtable.c index 9b587fd592dd..7c76e8a7447a 100644 --- a/arch/nios2/mm/pgtable.c +++ b/arch/nios2/mm/pgtable.c @@ -54,7 +54,7 @@ pgd_t *pgd_alloc(struct mm_struct *mm) { pgd_t *ret, *init; - ret = (pgd_t *) __get_free_pages(GFP_KERNEL, PGD_ORDER); + ret = (pgd_t *) __get_free_page(GFP_KERNEL); if (ret) { init = pgd_offset(&init_mm, 0UL); pgd_init(ret);