arch/microblaze/include/asm/pgalloc.h

Source file repositories/reference/linux-study-clean/arch/microblaze/include/asm/pgalloc.h

File Facts

System
Linux kernel
Corpus path
arch/microblaze/include/asm/pgalloc.h
Extension
.h
Size
950 bytes
Lines
37
Domain
Architecture Layer
Bucket
arch/microblaze
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _ASM_MICROBLAZE_PGALLOC_H
#define _ASM_MICROBLAZE_PGALLOC_H

#include <linux/kernel.h>	/* For min/max macros */
#include <linux/highmem.h>
#include <linux/pgtable.h>
#include <asm/setup.h>
#include <asm/io.h>
#include <asm/page.h>
#include <asm/cache.h>

#define __HAVE_ARCH_PTE_ALLOC_ONE_KERNEL
#include <asm-generic/pgalloc.h>

extern void __bad_pte(pmd_t *pmd);

#define pgd_alloc(mm)		__pgd_alloc(mm, 0)

extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm);

#define __pte_free_tlb(tlb, pte, addr)	pte_free((tlb)->mm, (pte))

#define pmd_populate(mm, pmd, pte) \
			(pmd_val(*(pmd)) = (unsigned long)page_address(pte))

#define pmd_populate_kernel(mm, pmd, pte) \
		(pmd_val(*(pmd)) = (unsigned long) (pte))

#endif /* _ASM_MICROBLAZE_PGALLOC_H */

Annotation

Implementation Notes