aboutsummaryrefslogtreecommitdiffstats
path: root/Documentation/kernel-parameters.txt
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-07-25 07:08:16 -0400
committerIngo Molnar <mingo@elte.hu>2008-07-25 07:08:16 -0400
commit10a010f6953b5a14ba2f0be40a4fce1bea220875 (patch)
tree19aadf718c796bc7fae0a1a1c970d84d67c541d4 /Documentation/kernel-parameters.txt
parent510b37258dfd61693ca6c039865c78bd996e3718 (diff)
parentfb2e405fc1fc8b20d9c78eaa1c7fd5a297efde43 (diff)
Merge branch 'linus' into x86/x2apic
Conflicts: drivers/pci/dmar.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r--Documentation/kernel-parameters.txt42
1 files changed, 38 insertions, 4 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 7432ba98cfec..4328307a875c 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -87,7 +87,8 @@ parameter is applicable:
87 SH SuperH architecture is enabled. 87 SH SuperH architecture is enabled.
88 SMP The kernel is an SMP kernel. 88 SMP The kernel is an SMP kernel.
89 SPARC Sparc architecture is enabled. 89 SPARC Sparc architecture is enabled.
90 SWSUSP Software suspend is enabled. 90 SWSUSP Software suspend (hibernation) is enabled.
91 SUSPEND System suspend states are enabled.
91 TS Appropriate touchscreen support is enabled. 92 TS Appropriate touchscreen support is enabled.
92 USB USB support is enabled. 93 USB USB support is enabled.
93 USBHID USB Human Interface Device support is enabled. 94 USBHID USB Human Interface Device support is enabled.
@@ -147,10 +148,12 @@ and is between 256 and 4096 characters. It is defined in the file
147 default: 0 148 default: 0
148 149
149 acpi_sleep= [HW,ACPI] Sleep options 150 acpi_sleep= [HW,ACPI] Sleep options
150 Format: { s3_bios, s3_mode, s3_beep, old_ordering } 151 Format: { s3_bios, s3_mode, s3_beep, s4_nohwsig, old_ordering }
151 See Documentation/power/video.txt for s3_bios and s3_mode. 152 See Documentation/power/video.txt for s3_bios and s3_mode.
152 s3_beep is for debugging; it makes the PC's speaker beep 153 s3_beep is for debugging; it makes the PC's speaker beep
153 as soon as the kernel's real-mode entry point is called. 154 as soon as the kernel's real-mode entry point is called.
155 s4_nohwsig prevents ACPI hardware signature from being
156 used during resume from hibernation.
154 old_ordering causes the ACPI 1.0 ordering of the _PTS 157 old_ordering causes the ACPI 1.0 ordering of the _PTS
155 control method, wrt putting devices into low power 158 control method, wrt putting devices into low power
156 states, to be enforced (the ACPI 2.0 ordering of _PTS is 159 states, to be enforced (the ACPI 2.0 ordering of _PTS is
@@ -774,8 +777,22 @@ and is between 256 and 4096 characters. It is defined in the file
774 hisax= [HW,ISDN] 777 hisax= [HW,ISDN]
775 See Documentation/isdn/README.HiSax. 778 See Documentation/isdn/README.HiSax.
776 779
777 hugepages= [HW,X86-32,IA-64] Maximal number of HugeTLB pages. 780 hugepages= [HW,X86-32,IA-64] HugeTLB pages to allocate at boot.
778 hugepagesz= [HW,IA-64,PPC] The size of the HugeTLB pages. 781 hugepagesz= [HW,IA-64,PPC,X86-64] The size of the HugeTLB pages.
782 On x86-64 and powerpc, this option can be specified
783 multiple times interleaved with hugepages= to reserve
784 huge pages of different sizes. Valid pages sizes on
785 x86-64 are 2M (when the CPU supports "pse") and 1G
786 (when the CPU supports the "pdpe1gb" cpuinfo flag)
787 Note that 1GB pages can only be allocated at boot time
788 using hugepages= and not freed afterwards.
789 default_hugepagesz=
790 [same as hugepagesz=] The size of the default
791 HugeTLB page size. This is the size represented by
792 the legacy /proc/ hugepages APIs, used for SHM, and
793 default size when mounting hugetlbfs filesystems.
794 Defaults to the default architecture's huge page size
795 if not specified.
779 796
780 i8042.direct [HW] Put keyboard port into non-translated mode 797 i8042.direct [HW] Put keyboard port into non-translated mode
781 i8042.dumbkbd [HW] Pretend that controller can only read data from 798 i8042.dumbkbd [HW] Pretend that controller can only read data from
@@ -1225,6 +1242,14 @@ and is between 256 and 4096 characters. It is defined in the file
1225 1242
1226 mga= [HW,DRM] 1243 mga= [HW,DRM]
1227 1244
1245 mminit_loglevel=
1246 [KNL] When CONFIG_DEBUG_MEMORY_INIT is set, this
1247 parameter allows control of the logging verbosity for
1248 the additional memory initialisation checks. A value
1249 of 0 disables mminit logging and a level of 4 will
1250 log everything. Information is printed at KERN_DEBUG
1251 so loglevel=8 may also need to be specified.
1252
1228 mousedev.tap_time= 1253 mousedev.tap_time=
1229 [MOUSE] Maximum time between finger touching and 1254 [MOUSE] Maximum time between finger touching and
1230 leaving touchpad surface for touch to be considered 1255 leaving touchpad surface for touch to be considered
@@ -2040,6 +2065,9 @@ and is between 256 and 4096 characters. It is defined in the file
2040 2065
2041 snd-ymfpci= [HW,ALSA] 2066 snd-ymfpci= [HW,ALSA]
2042 2067
2068 softlockup_panic=
2069 [KNL] Should the soft-lockup detector generate panics.
2070
2043 sonypi.*= [HW] Sony Programmable I/O Control Device driver 2071 sonypi.*= [HW] Sony Programmable I/O Control Device driver
2044 See Documentation/sonypi.txt 2072 See Documentation/sonypi.txt
2045 2073
@@ -2104,6 +2132,12 @@ and is between 256 and 4096 characters. It is defined in the file
2104 2132
2105 tdfx= [HW,DRM] 2133 tdfx= [HW,DRM]
2106 2134
2135 test_suspend= [SUSPEND]
2136 Specify "mem" (for Suspend-to-RAM) or "standby" (for
2137 standby suspend) as the system sleep state to briefly
2138 enter during system startup. The system is woken from
2139 this state using a wakeup-capable RTC alarm.
2140
2107 thash_entries= [KNL,NET] 2141 thash_entries= [KNL,NET]
2108 Set number of hash buckets for TCP connection 2142 Set number of hash buckets for TCP connection
2109 2143