cregit-Linux how code gets into the kernel

Release 4.14 arch/mn10300/include/asm/pgalloc.h

/* MN10300 Page and page table/directory allocation
 *
 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public Licence
 * as published by the Free Software Foundation; either version
 * 2 of the Licence, or (at your option) any later version.
 */
#ifndef _ASM_PGALLOC_H

#define _ASM_PGALLOC_H

#include <asm/page.h>
#include <linux/threads.h>
#include <linux/mm.h>		/* for struct page */

struct mm_struct;
struct page;

/* attach a page table to a PMD entry */

#define pmd_populate_kernel(mm, pmd, pte) \
	set_pmd(pmd, __pmd(__pa(pte) | _PAGE_TABLE))


static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, struct page *pte) { set_pmd(pmd, __pmd((page_to_pfn(pte) << PAGE_SHIFT) | _PAGE_TABLE)); }

Contributors

PersonTokensPropCommitsCommitProp
David Howells40100.00%1100.00%
Total40100.00%1100.00%

#define pmd_pgtable(pmd) pmd_page(pmd) /* * Allocate and free page tables. */ extern pgd_t *pgd_alloc(struct mm_struct *); extern void pgd_free(struct mm_struct *, pgd_t *); extern pte_t *pte_alloc_one_kernel(struct mm_struct *, unsigned long); extern struct page *pte_alloc_one(struct mm_struct *, unsigned long);
static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) { free_page((unsigned long) pte); }

Contributors

PersonTokensPropCommitsCommitProp
David Howells25100.00%1100.00%
Total25100.00%1100.00%


static inline void pte_free(struct mm_struct *mm, struct page *pte) { pgtable_page_dtor(pte); __free_page(pte); }

Contributors

PersonTokensPropCommitsCommitProp
David Howells2281.48%150.00%
Kirill A. Shutemov518.52%150.00%
Total27100.00%2100.00%

#define __pte_free_tlb(tlb, pte, addr) tlb_remove_page((tlb), (pte)) #endif /* _ASM_PGALLOC_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
David Howells19296.48%133.33%
Kirill A. Shutemov52.51%133.33%
Benjamin Herrenschmidt21.01%133.33%
Total199100.00%3100.00%
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