hc
2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d
kernel/arch/um/include/asm/pgalloc.h
....@@ -1,14 +1,16 @@
1
+/* SPDX-License-Identifier: GPL-2.0 */
12 /*
23 * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
34 * Copyright 2003 PathScale, Inc.
45 * Derived from include/asm-i386/pgalloc.h and include/asm-i386/pgtable.h
5
- * Licensed under the GPL
66 */
77
88 #ifndef __UM_PGALLOC_H
99 #define __UM_PGALLOC_H
1010
1111 #include <linux/mm.h>
12
+
13
+#include <asm-generic/pgalloc.h>
1214
1315 #define pmd_populate_kernel(mm, pmd, pte) \
1416 set_pmd(pmd, __pmd(_PAGE_TABLE + (unsigned long) __pa(pte)))
....@@ -23,39 +25,22 @@
2325 * Allocate and free page tables.
2426 */
2527 extern pgd_t *pgd_alloc(struct mm_struct *);
26
-extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
27
-
28
-extern pte_t *pte_alloc_one_kernel(struct mm_struct *, unsigned long);
29
-extern pgtable_t pte_alloc_one(struct mm_struct *, unsigned long);
30
-
31
-static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
32
-{
33
- free_page((unsigned long) pte);
34
-}
35
-
36
-static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
37
-{
38
- pgtable_page_dtor(pte);
39
- __free_page(pte);
40
-}
4128
4229 #define __pte_free_tlb(tlb,pte, address) \
4330 do { \
44
- pgtable_page_dtor(pte); \
31
+ pgtable_pte_page_dtor(pte); \
4532 tlb_remove_page((tlb),(pte)); \
4633 } while (0)
4734
4835 #ifdef CONFIG_3_LEVEL_PGTABLES
4936
50
-static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
51
-{
52
- free_page((unsigned long)pmd);
53
-}
37
+#define __pmd_free_tlb(tlb, pmd, address) \
38
+do { \
39
+ pgtable_pmd_page_dtor(virt_to_page(pmd)); \
40
+ tlb_remove_page((tlb),virt_to_page(pmd)); \
41
+} while (0) \
5442
55
-#define __pmd_free_tlb(tlb,x, address) tlb_remove_page((tlb),virt_to_page(x))
5643 #endif
57
-
58
-#define check_pgt_cache() do { } while (0)
5944
6045 #endif
6146