From 04dd17822334871b23ea2862f7798fb0e0007777 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 08:53:19 +0000
Subject: [PATCH] change otg to host mode

---
 kernel/arch/um/include/asm/pgtable-3level.h |   12 ++----------
 1 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/kernel/arch/um/include/asm/pgtable-3level.h b/kernel/arch/um/include/asm/pgtable-3level.h
index c4d876d..091bff3 100644
--- a/kernel/arch/um/include/asm/pgtable-3level.h
+++ b/kernel/arch/um/include/asm/pgtable-3level.h
@@ -1,13 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Copyright 2003 PathScale Inc
  * Derived from include/asm-i386/pgtable.h
- * Licensed under the GPL
  */
 
 #ifndef __UM_PGTABLE_3LEVEL_H
 #define __UM_PGTABLE_3LEVEL_H
 
-#define __ARCH_USE_5LEVEL_HACK
 #include <asm-generic/pgtable-nopud.h>
 
 /* PGDIR_SHIFT determines what a third-level page table entry can map */
@@ -79,20 +78,13 @@
 #define set_pmd(pmdptr, pmdval) (*(pmdptr) = (pmdval))
 #endif
 
-struct mm_struct;
-extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address);
-
 static inline void pud_clear (pud_t *pud)
 {
 	set_pud(pud, __pud(_PAGE_NEWPAGE));
 }
 
 #define pud_page(pud) phys_to_page(pud_val(pud) & PAGE_MASK)
-#define pud_page_vaddr(pud) ((unsigned long) __va(pud_val(pud) & PAGE_MASK))
-
-/* Find an entry in the second-level page table.. */
-#define pmd_offset(pud, address) ((pmd_t *) pud_page_vaddr(*(pud)) + \
-			pmd_index(address))
+#define pud_pgtable(pud) ((pmd_t *) __va(pud_val(pud) & PAGE_MASK))
 
 static inline unsigned long pte_pfn(pte_t pte)
 {

--
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