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[v2,02/15] csky: drop definition of PGD_ORDER

Message ID 20220705154708.181258-3-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, 3:46 p.m. UTC 
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>
Acked-by: Guo Ren <guoren@kernel.org>
---
 arch/csky/include/asm/pgalloc.h | 2 +-
 arch/csky/include/asm/pgtable.h | 3 +--
 2 files changed, 2 insertions(+), 3 deletions(-)
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Patch

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))