kernel/vmcore_info.c
Source file repositories/reference/linux-study-clean/kernel/vmcore_info.c
File Facts
- System
- Linux kernel
- Corpus path
kernel/vmcore_info.c- Extension
.c- Size
- 6971 bytes
- Lines
- 254
- Domain
- Core OS
- Bucket
- Scheduler, Processes, Timers, Sync, And Syscalls
- Inferred role
- Core OS: exported/initcall integration point
- Status
- integration implementation candidate
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.
- Exports symbols or registers init work; inspect boot/module ordering and who consumes the exported contract.
- Uses kernel synchronization; read lock ordering, sleepability, and interrupt context assumptions before translating.
- Allocates kernel memory; connect allocation flags and lifetime to context constraints.
- Defines or uses C structs; map object ownership, embedded links, reference counts, and lock ownership.
Dependency Surface
linux/buildid.hlinux/init.hlinux/utsname.hlinux/vmalloc.hlinux/sizes.hlinux/kexec.hlinux/memory.hlinux/cpuhotplug.hlinux/memblock.hlinux/kmemleak.hasm/page.hasm/sections.hkallsyms_internal.hkexec_internal.h
Detected Declarations
struct hwerr_infofunction final_notefunction update_vmcoreinfo_notefunction crash_update_vmcoreinfo_safecopyfunction crash_save_vmcoreinfofunction vmcoreinfo_append_strfunction arch_crash_save_vmcoreinfofunction hwerr_log_error_typefunction crash_save_vmcoreinfo_initmodule init crash_save_vmcoreinfo_initexport paddr_vmcoreinfo_noteexport hwerr_log_error_type
Annotated Snippet
subsys_initcall(crash_save_vmcoreinfo_init);Annotation
- Immediate include surface: `linux/buildid.h`, `linux/init.h`, `linux/utsname.h`, `linux/vmalloc.h`, `linux/sizes.h`, `linux/kexec.h`, `linux/memory.h`, `linux/cpuhotplug.h`.
- Detected declarations: `struct hwerr_info`, `function final_note`, `function update_vmcoreinfo_note`, `function crash_update_vmcoreinfo_safecopy`, `function crash_save_vmcoreinfo`, `function vmcoreinfo_append_str`, `function arch_crash_save_vmcoreinfo`, `function hwerr_log_error_type`, `function crash_save_vmcoreinfo_init`, `module init crash_save_vmcoreinfo_init`.
- Atlas domain: Core OS / Scheduler, Processes, Timers, Sync, And Syscalls.
- Implementation status: integration implementation candidate.
- Synchronization appears in or near this file; preserve lock ordering, sleepability, and interrupt-context constraints.
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.