|
1778 | 1778 | for 64-bit NUMA, off otherwise. |
1779 | 1779 | Format: 0 | 1 (for off | on) |
1780 | 1780 |
|
1781 | | - hcl= [IA-64] SGI's Hardware Graph compatibility layer |
1782 | | - |
1783 | 1781 | hd= [EIDE] (E)IDE hard drive subsystem geometry |
1784 | 1782 | Format: <cyl>,<head>,<sect> |
1785 | 1783 |
|
|
2522 | 2520 |
|
2523 | 2521 | keepinitrd [HW,ARM] See retain_initrd. |
2524 | 2522 |
|
2525 | | - kernelcore= [KNL,X86,IA-64,PPC,EARLY] |
| 2523 | + kernelcore= [KNL,X86,PPC,EARLY] |
2526 | 2524 | Format: nn[KMGTPE] | nn% | "mirror" |
2527 | 2525 | This parameter specifies the amount of memory usable by |
2528 | 2526 | the kernel for non-movable allocations. The requested |
|
3168 | 3166 | [SECURITY] Choose order of LSM initialization. This |
3169 | 3167 | overrides CONFIG_LSM, and the "security=" parameter. |
3170 | 3168 |
|
3171 | | - machvec= [IA-64] Force the use of a particular machine-vector |
3172 | | - (machvec) in a generic kernel. |
3173 | | - Example: machvec=hpzx1 |
3174 | | - |
3175 | 3169 | machtype= [Loongson] Share the same kernel image file between |
3176 | 3170 | different yeeloong laptops. |
3177 | 3171 | Example: machtype=lemote-yeeloong-2f-7inch |
3178 | 3172 |
|
3179 | | - max_addr=nn[KMG] [KNL,BOOT,IA-64] All physical memory greater |
3180 | | - than or equal to this physical address is ignored. |
3181 | | - |
3182 | 3173 | maxcpus= [SMP,EARLY] Maximum number of processors that an SMP kernel |
3183 | 3174 | will bring up during bootup. maxcpus=n : n >= 0 limits |
3184 | 3175 | the kernel to bring up 'n' processors. Surely after |
|
3420 | 3411 | Enable or disable the microcode minimal revision |
3421 | 3412 | enforcement for the runtime microcode loader. |
3422 | 3413 |
|
3423 | | - min_addr=nn[KMG] [KNL,BOOT,IA-64] All physical memory below this |
3424 | | - physical address is ignored. |
3425 | | - |
3426 | 3414 | mini2440= [ARM,HW,KNL] |
3427 | 3415 | Format:[0..2][b][c][t] |
3428 | 3416 | Default: "0tb" |
|
3587 | 3575 | mousedev.yres= [MOUSE] Vertical screen resolution, used for devices |
3588 | 3576 | reporting absolute coordinates, such as tablets |
3589 | 3577 |
|
3590 | | - movablecore= [KNL,X86,IA-64,PPC,EARLY] |
| 3578 | + movablecore= [KNL,X86,PPC,EARLY] |
3591 | 3579 | Format: nn[KMGTPE] | nn% |
3592 | 3580 | This parameter is the complement to kernelcore=, it |
3593 | 3581 | specifies the amount of memory used for migratable |
|
3861 | 3849 |
|
3862 | 3850 | no_entry_flush [PPC,EARLY] Don't flush the L1-D cache when entering the kernel. |
3863 | 3851 |
|
3864 | | - noexec [IA-64] |
3865 | | - |
3866 | 3852 | noexec32 [X86-64] |
3867 | 3853 | This affects only 32-bit executables. |
3868 | 3854 | noexec32=on: enable non-executable mappings (default) |
|
3882 | 3868 | register save and restore. The kernel will only save |
3883 | 3869 | legacy floating-point registers on task switch. |
3884 | 3870 |
|
3885 | | - nohalt [IA-64] Tells the kernel not to use the power saving |
3886 | | - function PAL_HALT_LIGHT when idle. This increases |
3887 | | - power-consumption. On the positive side, it reduces |
3888 | | - interrupt wake-up latency, which may improve performance |
3889 | | - in certain environments such as networked servers or |
3890 | | - real-time systems. |
3891 | | - |
3892 | 3871 | no_hash_pointers |
3893 | 3872 | [KNL,EARLY] |
3894 | 3873 | Force pointers printed to the console or buffers to be |
|
3943 | 3922 | remapping. |
3944 | 3923 | [Deprecated - use intremap=off] |
3945 | 3924 |
|
3946 | | - nointroute [IA-64] |
3947 | | - |
3948 | 3925 | noinvpcid [X86,EARLY] Disable the INVPCID cpu feature. |
3949 | 3926 |
|
3950 | 3927 | noiotrap [SH] Disables trapped I/O port accesses. |
|
3954 | 3931 |
|
3955 | 3932 | noisapnp [ISAPNP] Disables ISA PnP code. |
3956 | 3933 |
|
3957 | | - nojitter [IA-64] Disables jitter checking for ITC timers. |
3958 | | - |
3959 | 3934 | nokaslr [KNL,EARLY] |
3960 | 3935 | When CONFIG_RANDOMIZE_BASE is set, this disables |
3961 | 3936 | kernel and module base offset ASLR (Address Space |
|
3970 | 3945 |
|
3971 | 3946 | nolapic_timer [X86-32,APIC,EARLY] Do not use the local APIC timer. |
3972 | 3947 |
|
3973 | | - nomca [IA-64] Disable machine check abort handling |
3974 | | - |
3975 | 3948 | nomce [X86-32] Disable Machine Check Exception |
3976 | 3949 |
|
3977 | 3950 | nomfgpt [X86-32] Disable Multi-Function General Purpose |
|
4023 | 3996 | noresume [SWSUSP] Disables resume and restores original swap |
4024 | 3997 | space. |
4025 | 3998 |
|
4026 | | - nosbagart [IA-64] |
4027 | | - |
4028 | 3999 | no-scroll [VGA] Disables scrollback. |
4029 | 4000 | This is required for the Braillex ib80-piezo Braille |
4030 | 4001 | reader made by F.H. Papenmeier (Germany). |
|
4125 | 4096 | parameter, xsave area per process might occupy more |
4126 | 4097 | memory on xsaves enabled systems. |
4127 | 4098 |
|
4128 | | - nptcg= [IA-64] Override max number of concurrent global TLB |
4129 | | - purges which is reported from either PAL_VM_SUMMARY or |
4130 | | - SAL PALO. |
4131 | | - |
4132 | 4099 | nr_cpus= [SMP,EARLY] Maximum number of processors that an SMP kernel |
4133 | 4100 | could support. nr_cpus=n : n >= 1 limits the kernel to |
4134 | 4101 | support 'n' processors. It could be larger than the |
|
5982 | 5949 | apic=verbose is specified. |
5983 | 5950 | Example: apic=debug show_lapic=all |
5984 | 5951 |
|
5985 | | - simeth= [IA-64] |
5986 | | - simscsi= |
5987 | | - |
5988 | 5952 | slab_debug[=options[,slabs][;[options[,slabs]]...] [MM] |
5989 | 5953 | Enabling slab_debug allows one to determine the |
5990 | 5954 | culprit if slab objects become corrupted. Enabling |
|
6501 | 6465 | This parameter controls use of the Protected |
6502 | 6466 | Execution Facility on pSeries. |
6503 | 6467 |
|
6504 | | - swiotlb= [ARM,IA-64,PPC,MIPS,X86,S390,EARLY] |
| 6468 | + swiotlb= [ARM,PPC,MIPS,X86,S390,EARLY] |
6505 | 6469 | Format: { <int> [,<int>] | force | noforce } |
6506 | 6470 | <int> -- Number of I/O TLB slabs |
6507 | 6471 | <int> -- Second integer after comma. Number of swiotlb |
|
7137 | 7101 | Try vdso32=0 if you encounter an error that says: |
7138 | 7102 | dl_main: Assertion `(void *) ph->p_vaddr == _rtld_local._dl_sysinfo_dso' failed! |
7139 | 7103 |
|
7140 | | - vector= [IA-64,SMP] |
7141 | | - vector=percpu: enable percpu vector domain |
7142 | | - |
7143 | 7104 | video= [FB,EARLY] Frame buffer configuration |
7144 | 7105 | See Documentation/fb/modedb.rst. |
7145 | 7106 |
|
|
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