arch/x86/um/mem_64.c

Source file repositories/reference/linux-study-clean/arch/x86/um/mem_64.c

File Facts

System
Linux kernel
Corpus path
arch/x86/um/mem_64.c
Extension
.c
Size
222 bytes
Lines
12
Domain
Architecture Layer
Bucket
arch/x86
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/mm.h>
#include <asm/elf.h>

const char *arch_vma_name(struct vm_area_struct *vma)
{
	if (vma->vm_mm && vma->vm_start == um_vdso_addr)
		return "[vdso]";

	return NULL;
}

Annotation

Implementation Notes