arch/arm/include/asm/setup.h

File Facts

System

Linux kernel

Corpus path

arch/arm/include/asm/setup.h

Extension

.h

Size

1160 bytes

Lines

44

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.

• CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.
• Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.

Dependency Surface

• linux/screen_info.h
• uapi/asm/setup.h

Detected Declarations

• struct machine_desc
• function save_atags

Annotated Snippet

static inline void save_atags(const struct tag *tags) { }
#endif

struct machine_desc;
void init_default_cache_policy(unsigned long);
void paging_init(const struct machine_desc *desc);
void early_mm_init(const struct machine_desc *);
void adjust_lowmem_bounds(void);
void setup_dma_zone(const struct machine_desc *desc);

#ifdef CONFIG_VGA_CONSOLE
extern struct screen_info vgacon_screen_info;
#endif

#endif

Annotation

• Immediate include surface: `linux/screen_info.h`, `uapi/asm/setup.h`.
• Detected declarations: `struct machine_desc`, `function save_atags`.
• Atlas domain: Architecture Layer / arch/arm.
• 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.