See Documentation/block/as-iosched.txt and
Documentation/block/deadline-iosched.txt for details.
- elfcorehdr= [IA-32]
+ elfcorehdr= [IA-32, X86_64]
Specifies physical address of start of kernel core
- image elf header.
- See Documentation/kdump.txt for details.
+ image elf header. Generally kexec loader will
+ pass this option to capture kernel.
+ See Documentation/kdump/kdump.txt for details.
enforcing [SELINUX] Set initial enforcing status.
Format: {"0" | "1"}
mem=nopentium [BUGS=IA-32] Disable usage of 4MB pages for kernel
memory.
- memmap=exactmap [KNL,IA-32] Enable setting of an exact
+ memmap=exactmap [KNL,IA-32,X86_64] Enable setting of an exact
E820 memory map, as specified by the user.
Such memmap=exactmap lines can be constructed based on
BIOS output or other requirements. See the memmap=nn@ss
nowb [ARM]
+ nr_uarts= [SERIAL] maximum number of UARTs to be registered.
+
opl3= [HW,OSS]
Format: <io>
Limit processor to maximum C-state
max_cstate=9 overrides any DMI blacklist limit.
+ processor.nocst [HW,ACPI]
+ Ignore the _CST method to determine C-states,
+ instead using the legacy FADT method
+
prompt_ramdisk= [RAM] List of RAM disks to prompt for floppy disk
before loading.
See Documentation/ramdisk.txt.