arch/arm/mm/ptdump_debugfs.c

Source file repositories/reference/linux-study-clean/arch/arm/mm/ptdump_debugfs.c

File Facts

System
Linux kernel
Corpus path
arch/arm/mm/ptdump_debugfs.c
Extension
.c
Size
428 bytes
Lines
20
Domain
Architecture Layer
Bucket
arch/arm
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

// SPDX-License-Identifier: GPL-2.0
#include <linux/debugfs.h>
#include <linux/seq_file.h>

#include <asm/ptdump.h>

static int ptdump_show(struct seq_file *m, void *v)
{
	struct ptdump_info *info = m->private;

	ptdump_walk_pgd(m, info);
	return 0;
}
DEFINE_SHOW_ATTRIBUTE(ptdump);

void __init ptdump_debugfs_register(struct ptdump_info *info, const char *name)
{
	debugfs_create_file(name, 0400, NULL, info, &ptdump_fops);
}

Annotation

Implementation Notes