modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/arch/arm64/include/asm/pgalloc.h
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@@ -1,20 +1,9 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Based on arch/arm/include/asm/pgalloc.h
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  *
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  * Copyright (C) 2000-2001 Russell King
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  * Copyright (C) 2012 ARM Ltd.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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  */
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 #ifndef __ASM_PGALLOC_H
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 #define __ASM_PGALLOC_H
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@@ -24,23 +13,12 @@
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 #include <asm/cacheflush.h>
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 #include <asm/tlbflush.h>
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-#define check_pgt_cache()		do { } while (0)
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+#define __HAVE_ARCH_PGD_FREE
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+#include <asm-generic/pgalloc.h>
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-#define PGALLOC_GFP	(GFP_KERNEL | __GFP_ZERO)
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 #define PGD_SIZE	(PTRS_PER_PGD * sizeof(pgd_t))
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 #if CONFIG_PGTABLE_LEVELS > 2
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-
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-static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr)
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-{
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-	return (pmd_t *)__get_free_page(PGALLOC_GFP);
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-}
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-
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-static inline void pmd_free(struct mm_struct *mm, pmd_t *pmdp)
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-{
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-	BUG_ON((unsigned long)pmdp & (PAGE_SIZE-1));
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-	free_page((unsigned long)pmdp);
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-}
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 static inline void __pud_populate(pud_t *pudp, phys_addr_t pmdp, pudval_t prot)
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 {
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@@ -60,28 +38,17 @@
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 #if CONFIG_PGTABLE_LEVELS > 3
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-static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
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+static inline void __p4d_populate(p4d_t *p4dp, phys_addr_t pudp, p4dval_t prot)
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 {
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-	return (pud_t *)__get_free_page(PGALLOC_GFP);
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+	set_p4d(p4dp, __p4d(__phys_to_p4d_val(pudp) | prot));
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 }
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-static inline void pud_free(struct mm_struct *mm, pud_t *pudp)
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+static inline void p4d_populate(struct mm_struct *mm, p4d_t *p4dp, pud_t *pudp)
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 {
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-	BUG_ON((unsigned long)pudp & (PAGE_SIZE-1));
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-	free_page((unsigned long)pudp);
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-}
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-
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-static inline void __pgd_populate(pgd_t *pgdp, phys_addr_t pudp, pgdval_t prot)
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-{
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-	set_pgd(pgdp, __pgd(__phys_to_pgd_val(pudp) | prot));
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-}
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-
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-static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgdp, pud_t *pudp)
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-{
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-	__pgd_populate(pgdp, __pa(pudp), PUD_TYPE_TABLE);
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+	__p4d_populate(p4dp, __pa(pudp), PUD_TYPE_TABLE);
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 }
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 #else
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-static inline void __pgd_populate(pgd_t *pgdp, phys_addr_t pudp, pgdval_t prot)
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+static inline void __p4d_populate(p4d_t *p4dp, phys_addr_t pudp, p4dval_t prot)
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 {
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 	BUILD_BUG();
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 }
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@@ -89,42 +56,6 @@
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 extern pgd_t *pgd_alloc(struct mm_struct *mm);
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 extern void pgd_free(struct mm_struct *mm, pgd_t *pgdp);
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-
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-static inline pte_t *
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-pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr)
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-{
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-	return (pte_t *)__get_free_page(PGALLOC_GFP);
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-}
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-
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-static inline pgtable_t
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-pte_alloc_one(struct mm_struct *mm, unsigned long addr)
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-{
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-	struct page *pte;
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-
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-	pte = alloc_pages(PGALLOC_GFP, 0);
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-	if (!pte)
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-		return NULL;
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-	if (!pgtable_page_ctor(pte)) {
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-		__free_page(pte);
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-		return NULL;
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-	}
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-	return pte;
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-}
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-
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-/*
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- * Free a PTE table.
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- */
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-static inline void pte_free_kernel(struct mm_struct *mm, pte_t *ptep)
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-{
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-	if (ptep)
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-		free_page((unsigned long)ptep);
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-}
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-
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-static inline void pte_free(struct mm_struct *mm, pgtable_t pte)
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-{
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-	pgtable_page_dtor(pte);
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-	__free_page(pte);
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-}
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 static inline void __pmd_populate(pmd_t *pmdp, phys_addr_t ptep,
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 				  pmdval_t prot)