[PATCH 02/14] csky: drop definition of PGD_ORDER

Mike Rapoport
2022-07-03T14:12:36Z

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/csky/include/asm/pgalloc.h | 2 +-
arch/csky/include/asm/pgtable.h | 3 +--
2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/csky/include/asm/pgalloc.h b/arch/csky/include/asm/pgalloc.h
index bbbd0698b397..7d57e5da0914 100644
--- a/arch/csky/include/asm/pgalloc.h
+++ b/arch/csky/include/asm/pgalloc.h
@@ -44,7 +44,7 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm)
pgd_t *ret;
pgd_t *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((unsigned long *)ret);
diff --git a/arch/csky/include/asm/pgtable.h b/arch/csky/include/asm/pgtable.h
index f8bb1e12334b..0f1e2eda1601 100644
--- a/arch/csky/include/asm/pgtable.h
+++ b/arch/csky/include/asm/pgtable.h
@@ -18,9 +18,8 @@
/*
* C-SKY is two-level paging structure:
*/
-#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_PMD 1
#define PTRS_PER_PTE (PAGE_SIZE / sizeof(pte_t))

--
2.34.1