arch/sparc/include/asm/sparsemem.h

File Facts

System

Linux kernel

Corpus path

arch/sparc/include/asm/sparsemem.h

Extension

.h

Size

295 bytes

Lines

15

Domain

Architecture Layer

Bucket

arch/sparc

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.

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

Dependency Surface

• asm/page.h

Detected Declarations

• No top-level syscall, struct, function, initcall, or export declaration detected by the generator.

Annotated Snippet

#ifndef _SPARC64_SPARSEMEM_H
#define _SPARC64_SPARSEMEM_H

#ifdef __KERNEL__

#include <asm/page.h>

#define SECTION_SIZE_BITS       30
#define MAX_PHYSMEM_BITS        MAX_PHYS_ADDRESS_BITS

#endif /* !(__KERNEL__) */

#endif /* !(_SPARC64_SPARSEMEM_H) */

Annotation

• Immediate include surface: `asm/page.h`.
• Atlas domain: Architecture Layer / arch/sparc.
• Implementation status: source implementation candidate.

Implementation Notes

• This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
• Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
• Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.