From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/um/include/asm/pgalloc.h | 45 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 arch/um/include/asm/pgalloc.h (limited to 'arch/um/include/asm/pgalloc.h') diff --git a/arch/um/include/asm/pgalloc.h b/arch/um/include/asm/pgalloc.h new file mode 100644 index 000000000..8ec7cd46d --- /dev/null +++ b/arch/um/include/asm/pgalloc.h @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) + * Copyright 2003 PathScale, Inc. + * Derived from include/asm-i386/pgalloc.h and include/asm-i386/pgtable.h + */ + +#ifndef __UM_PGALLOC_H +#define __UM_PGALLOC_H + +#include + +#include + +#define pmd_populate_kernel(mm, pmd, pte) \ + set_pmd(pmd, __pmd(_PAGE_TABLE + (unsigned long) __pa(pte))) + +#define pmd_populate(mm, pmd, pte) \ + set_pmd(pmd, __pmd(_PAGE_TABLE + \ + ((unsigned long long)page_to_pfn(pte) << \ + (unsigned long long) PAGE_SHIFT))) + +/* + * Allocate and free page tables. + */ +extern pgd_t *pgd_alloc(struct mm_struct *); + +#define __pte_free_tlb(tlb,pte, address) \ +do { \ + pgtable_pte_page_dtor(pte); \ + tlb_remove_page((tlb),(pte)); \ +} while (0) + +#ifdef CONFIG_3_LEVEL_PGTABLES + +#define __pmd_free_tlb(tlb, pmd, address) \ +do { \ + pgtable_pmd_page_dtor(virt_to_page(pmd)); \ + tlb_remove_page((tlb),virt_to_page(pmd)); \ +} while (0) \ + +#endif + +#endif + -- cgit v1.2.3