change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/arch/nds32/mm/mm-nds32.c
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@@ -2,6 +2,8 @@
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 // Copyright (C) 2005-2017 Andes Technology Corporation
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 #include <linux/init_task.h>
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+
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+#define __HAVE_ARCH_PGD_FREE
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 #include <asm/pgalloc.h>
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 #define FIRST_KERNEL_PGD_NR	(USER_PTRS_PER_PGD)
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@@ -74,6 +76,8 @@
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 {
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 	unsigned long pmdval;
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 	pgd_t *pgd;
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+	p4d_t *p4d;
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+	pud_t *pud;
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 	pmd_t *pmd;
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 	int i;
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@@ -84,7 +88,9 @@
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 	for (i = 0; i < USER_PTRS_PER_PGD; i++) {
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 		pmdval = (i << PGDIR_SHIFT);
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-		pmd = pmd_offset(pgd + i, i << PGDIR_SHIFT);
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+		p4d = p4d_offset(pgd, i << PGDIR_SHIFT);
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+		pud = pud_offset(p4d, i << PGDIR_SHIFT);
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+		pmd = pmd_offset(pud + i, i << PGDIR_SHIFT);
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 		set_pmd(pmd, __pmd(pmdval));
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 	}
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 }