kernel/dma/Makefile

File Facts

System

Linux kernel

Corpus path

kernel/dma/Makefile

Extension

[no extension]

Size

465 bytes

Lines

13

Domain

Core OS

Bucket

Scheduler, Processes, Timers, Sync, And Syscalls

Inferred role

Core OS: build/configuration rule

Status

atlas-only

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

• Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

• No C-style include directives detected by the generator.

Detected Declarations

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

Annotated Snippet

# SPDX-License-Identifier: GPL-2.0

obj-$(CONFIG_HAS_DMA)			+= mapping.o direct.o
obj-$(CONFIG_DMA_OPS_HELPERS)		+= ops_helpers.o
obj-$(CONFIG_ARCH_HAS_DMA_OPS)		+= dummy.o
obj-$(CONFIG_DMA_CMA)			+= contiguous.o
obj-$(CONFIG_DMA_DECLARE_COHERENT)	+= coherent.o
obj-$(CONFIG_DMA_API_DEBUG)		+= debug.o
obj-$(CONFIG_SWIOTLB)			+= swiotlb.o
obj-$(CONFIG_DMA_COHERENT_POOL)		+= pool.o
obj-$(CONFIG_MMU)			+= remap.o
obj-$(CONFIG_DMA_MAP_BENCHMARK)		+= map_benchmark.o

Annotation

• Atlas domain: Core OS / Scheduler, Processes, Timers, Sync, And Syscalls.
• Implementation status: atlas-only.

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.