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authorMike Rapoport <rppt@linux.ibm.com>2022-07-03 17:11:57 +0300
committerakpm <akpm@linux-foundation.org>2022-07-17 17:14:43 -0700
commita6714e720b5e8438ca7f779342ad91b39094f548 (patch)
treef245dafd0f260b360ce5a253d4401895d06dbebe /arch
parentbf0dc119c51ffdcfa6db0786ea877eec85985b7e (diff)
downloadlinux-a6714e720b5e8438ca7f779342ad91b39094f548.tar.bz2
nios2: drop definition of PGD_ORDER
This is the order of the page table allocation, not the order of a PGD. Since its always hardwired to 0, simply drop it. Link: https://lkml.kernel.org/r/20220703141203.147893-9-rppt@kernel.org Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Acked-by: Dinh Nguyen <dinguyen@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Guo Ren <guoren@kernel.org> Cc: Helge Deller <deller@gmx.de> Cc: Huacai Chen <chenhuacai@kernel.org> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Xuerui Wang <kernel@xen0n.name> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/nios2/include/asm/pgtable.h4
-rw-r--r--arch/nios2/mm/init.c3
-rw-r--r--arch/nios2/mm/pgtable.c2
3 files changed, 3 insertions, 6 deletions
diff --git a/arch/nios2/include/asm/pgtable.h b/arch/nios2/include/asm/pgtable.h
index 1af8dbfe1793..b3d45e815295 100644
--- a/arch/nios2/include/asm/pgtable.h
+++ b/arch/nios2/include/asm/pgtable.h
@@ -52,9 +52,7 @@ 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 7eaba31cea98..7bc82ee889c9 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);