1 files changed, 15 insertions, 39 deletions

diff --git a/arch/um/include/asm/page.h b/arch/um/include/asm/page.h
index f878bec23576..2d363460d896 100644
--- a/arch/um/include/asm/page.h
+++ b/arch/um/include/asm/page.h
@@ -1,7 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com)
  * Copyright 2003 PathScale, Inc.
- * Licensed under the GPL
  */
 
 #ifndef __UM_PAGE_H
@@ -9,12 +9,9 @@
 
 #include <linux/const.h>
 
-/* PAGE_SHIFT determines the page size */
-#define PAGE_SHIFT	12
-#define PAGE_SIZE	(_AC(1, UL) << PAGE_SHIFT)
-#define PAGE_MASK	(~(PAGE_SIZE-1))
+#include <vdso/page.h>
 
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
 
 struct page;
 
@@ -32,51 +29,35 @@ struct page;
 #define clear_user_page(page, vaddr, pg)	clear_page(page)
 #define copy_user_page(to, from, vaddr, pg)	copy_page(to, from)
 
-#if defined(CONFIG_3_LEVEL_PGTABLES) && !defined(CONFIG_64BIT)
-
 typedef struct { unsigned long pte; } pte_t;
-typedef struct { unsigned long pmd; } pmd_t;
 typedef struct { unsigned long pgd; } pgd_t;
-#define pte_val(p) ((p).pte)
 
-#define pte_get_bits(p, bits) ((p).pte & (bits))
-#define pte_set_bits(p, bits) ((p).pte |= (bits))
-#define pte_clear_bits(p, bits) ((p).pte &= ~(bits))
-#define pte_copy(to, from) ({ (to).pte = (from).pte; })
-#define pte_is_zero(p) (!((p).pte & ~_PAGE_NEWPAGE))
-#define pte_set_val(p, phys, prot) \
-	({ (p).pte = (phys) | pgprot_val(prot); })
+#if CONFIG_PGTABLE_LEVELS > 2
 
+typedef struct { unsigned long pmd; } pmd_t;
 #define pmd_val(x)	((x).pmd)
 #define __pmd(x) ((pmd_t) { (x) } )
 
-typedef unsigned long long phys_t;
+#if CONFIG_PGTABLE_LEVELS > 3
 
-#else
+typedef struct { unsigned long pud; } pud_t;
+#define pud_val(x)	((x).pud)
+#define __pud(x) ((pud_t) { (x) } )
 
-typedef struct { unsigned long pte; } pte_t;
-typedef struct { unsigned long pgd; } pgd_t;
-
-#ifdef CONFIG_3_LEVEL_PGTABLES
-typedef struct { unsigned long pmd; } pmd_t;
-#define pmd_val(x)	((x).pmd)
-#define __pmd(x) ((pmd_t) { (x) } )
-#endif
+#endif /* CONFIG_PGTABLE_LEVELS > 3 */
+#endif /* CONFIG_PGTABLE_LEVELS > 2 */
 
 #define pte_val(x)	((x).pte)
 
-
 #define pte_get_bits(p, bits) ((p).pte & (bits))
 #define pte_set_bits(p, bits) ((p).pte |= (bits))
 #define pte_clear_bits(p, bits) ((p).pte &= ~(bits))
 #define pte_copy(to, from) ((to).pte = (from).pte)
-#define pte_is_zero(p) (!((p).pte & ~_PAGE_NEWPAGE))
+#define pte_is_zero(p) (!((p).pte & ~_PAGE_NEEDSYNC))
 #define pte_set_val(p, phys, prot) (p).pte = (phys | pgprot_val(prot))
 
 typedef unsigned long phys_t;
 
-#endif
-
 typedef struct { unsigned long pgprot; } pgprot_t;
 
 typedef struct page *pgtable_t;
@@ -102,22 +83,17 @@ extern unsigned long uml_physmem;
  * casting is the right thing, but 32-bit UML can't have 64-bit virtual
  * addresses
  */
-#define __pa(virt) to_phys((void *) (unsigned long) (virt))
-#define __va(phys) to_virt((unsigned long) (phys))
+#define __pa(virt) uml_to_phys((void *) (unsigned long) (virt))
+#define __va(phys) uml_to_virt((unsigned long) (phys))
 
 #define phys_to_pfn(p) ((p) >> PAGE_SHIFT)
 #define pfn_to_phys(pfn) PFN_PHYS(pfn)
 
-#define pfn_valid(pfn) ((pfn) < max_mapnr)
 #define virt_addr_valid(v) pfn_valid(phys_to_pfn(__pa(v)))
 
 #include <asm-generic/memory_model.h>
 #include <asm-generic/getorder.h>
 
-#endif	/* __ASSEMBLY__ */
-
-#ifdef CONFIG_X86_32
-#define __HAVE_ARCH_GATE_AREA 1
-#endif
+#endif	/* __ASSEMBLER__ */
 
 #endif	/* __UM_PAGE_H */