X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Documentation%2Fkernel-parameters.txt;h=9a541486fb7ee91c227f036071b4bce63f695ebf;hb=2cb7e714229681408e323852bed939989faf6991;hp=182c6a39d5a2d553322450eb13cb61ddee22d32b;hpb=b5d425c97f7d4e92151167b01ca038e7853c6b37;p=linux-2.6 diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 182c6a39d5..9a541486fb 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -34,7 +34,6 @@ parameter is applicable: APIC APIC support is enabled. APM Advanced Power Management support is enabled. AX25 Appropriate AX.25 support is enabled. - CD Appropriate CD support is enabled. DRM Direct Rendering Management support is enabled. EDD BIOS Enhanced Disk Drive Services (EDD) is enabled EFI EFI Partitioning (GPT) is enabled @@ -319,9 +318,6 @@ and is between 256 and 4096 characters. It is defined in the file autotest [IA64] - aztcd= [HW,CD] Aztech CD268 CDROM driver - Format: ,0x79 (?) - baycom_epp= [HW,AX25] Format: , @@ -364,10 +360,6 @@ and is between 256 and 4096 characters. It is defined in the file possible to determine what the correct size should be. This option provides an override for these situations. - cdu31a= [HW,CD] - Format: ,[,PAS] - See header of drivers/cdrom/cdu31a.c. - chandev= [HW,NET] Generic channel device initialisation checkreqprot [SELINUX] Set initial checkreqprot flag value. @@ -421,9 +413,6 @@ and is between 256 and 4096 characters. It is defined in the file hpet= [IA-32,HPET] option to disable HPET and use PIT. Format: disable - cm206= [HW,CD] - Format: { auto | [,][] } - com20020= [HW,NET] ARCnet - COM20020 chipset Format: [,[,[,[,[,]]]]] @@ -660,9 +649,6 @@ and is between 256 and 4096 characters. It is defined in the file gpt [EFI] Forces disk with valid GPT signature but invalid Protective MBR to be treated as GPT. - gscd= [HW,CD] - Format: - gvp11= [HW,SCSI] hashdist= [KNL,NUMA] Large hashes allocated during boot @@ -826,14 +812,37 @@ and is between 256 and 4096 characters. It is defined in the file tasks in the system -- can cause problems and suboptimal load balancer performance. - isp16= [HW,CD] - Format: ,,, - iucv= [HW,NET] js= [HW,JOY] Analog joystick See Documentation/input/joystick.txt. + kernelcore=nn[KMG] [KNL,IA-32,IA-64,PPC,X86-64] This parameter + specifies the amount of memory usable by the kernel + for non-movable allocations. The requested amount is + spread evenly throughout all nodes in the system. The + remaining memory in each node is used for Movable + pages. In the event, a node is too small to have both + kernelcore and Movable pages, kernelcore pages will + take priority and other nodes will have a larger number + of kernelcore pages. The Movable zone is used for the + allocation of pages that may be reclaimed or moved + by the page migration subsystem. This means that + HugeTLB pages may not be allocated from this zone. + Note that allocations like PTEs-from-HighMem still + use the HighMem zone if it exists, and the Normal + zone if it does not. + + movablecore=nn[KMG] [KNL,IA-32,IA-64,PPC,X86-64] This parameter + is similar to kernelcore except it specifies the + amount of memory used for migratable allocations. + If both kernelcore and movablecore is specified, + then kernelcore will be at *least* the specified + value but may be more. If movablecore on its own + is specified, the administrator must be careful + that the amount of memory usable for all allocations + is not too small. + keepinitrd [HW,ARM] kstack=N [IA-32,X86-64] Print N words from the kernel stack @@ -967,11 +976,6 @@ and is between 256 and 4096 characters. It is defined in the file mcatest= [IA-64] - mcd= [HW,CD] - Format: ,, - - mcdx= [HW,CD] - mce [IA-32] Machine Check Exception md= [HW] RAID subsystems devices and level @@ -1181,6 +1185,8 @@ and is between 256 and 4096 characters. It is defined in the file nosmp [SMP] Tells an SMP kernel to act as a UP kernel. + nosoftlockup [KNL] Disable the soft-lockup detector. + nosync [HW,M68K] Disables sync negotiation for all devices. notsc [BUGS=IA-32] Disable Time Stamp Counter @@ -1202,9 +1208,6 @@ and is between 256 and 4096 characters. It is defined in the file oprofile.timer= [HW] Use timer interrupt instead of performance counters - optcd= [HW,CD] - Format: - osst= [HW,SCSI] SCSI Tape Driver Format: , See also Documentation/scsi/st.txt. @@ -1383,6 +1386,15 @@ and is between 256 and 4096 characters. It is defined in the file autoconfiguration. Ranges are in pairs (memory base and size). + print-fatal-signals= + [KNL] debug: print fatal signals + print-fatal-signals=1: print segfault info to + the kernel console. + default: off. + + printk.time= Show timing data prefixed to each printk message line + Format: (1/Y/y=enable, 0/N/n=disable) + profile= [KNL] Enable kernel profiling via /proc/profile Format: [schedule,] Param: "schedule" - profile schedule points. @@ -1495,6 +1507,10 @@ and is between 256 and 4096 characters. It is defined in the file rootfstype= [KNL] Set root filesystem type + rootwait [KNL] Wait (indefinitely) for root device to show up. + Useful for devices that are detected asynchronously + (e.g. USB and MMC devices). + rw [KNL] Mount root device read-write on boot S [KNL] Run init in single mode @@ -1507,11 +1523,6 @@ and is between 256 and 4096 characters. It is defined in the file sbni= [NET] Granch SBNI12 leased line adapter - sbpcd= [HW,CD] Soundblaster CD adapter - Format: , - See a comment before function sbpcd_setup() in - drivers/cdrom/sbpcd.c. - sc1200wdt= [HW,WDT] SC1200 WDT (watchdog) driver Format: [,[,]] @@ -1564,10 +1575,6 @@ and is between 256 and 4096 characters. It is defined in the file simeth= [IA-64] simscsi= - sjcd= [HW,CD] - Format: ,, - See header of drivers/cdrom/sjcd.c. - slram= [HW,MTD] slub_debug[=options[,slabs]] [MM, SLUB] @@ -1744,9 +1751,6 @@ and is between 256 and 4096 characters. It is defined in the file snd-ymfpci= [HW,ALSA] - sonycd535= [HW,CD] - Format: [,] - sonypi.*= [HW] Sony Programmable I/O Control Device driver See Documentation/sonypi.txt @@ -1818,6 +1822,7 @@ and is between 256 and 4096 characters. It is defined in the file Set number of hash buckets for TCP connection time Show timing data prefixed to each printk message line + [deprecated, see 'printk.time'] tipar.timeout= [HW,PPT] Set communications timeout in tenths of a second