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author | Tony Lindgren <tony@atomide.com> | 2011-03-02 17:07:14 -0800 |
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committer | Tony Lindgren <tony@atomide.com> | 2011-03-02 17:07:14 -0800 |
commit | 12d7d4e0ed8fecf7f74c89483b55b300be6e5901 (patch) | |
tree | f573761ac752ff04ec445e23aef50adadda49790 /Documentation/kernel-parameters.txt | |
parent | aca6ad073ea820776bf5bdb87cf82eace35042c8 (diff) | |
parent | 790ab7e92bec24aee3939b300d36b99ab2e3f3ca (diff) | |
download | op-kernel-dev-12d7d4e0ed8fecf7f74c89483b55b300be6e5901.zip op-kernel-dev-12d7d4e0ed8fecf7f74c89483b55b300be6e5901.tar.gz |
Merge branch 'devel-cleanup' into omap-for-linus
Conflicts:
arch/arm/mach-omap2/timer-gp.c
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r-- | Documentation/kernel-parameters.txt | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 89835a4..f4a04c0 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -144,6 +144,11 @@ a fixed number of characters. This limit depends on the architecture and is between 256 and 4096 characters. It is defined in the file ./include/asm/setup.h as COMMAND_LINE_SIZE. +Finally, the [KMG] suffix is commonly described after a number of kernel +parameter values. These 'K', 'M', and 'G' letters represent the _binary_ +multipliers 'Kilo', 'Mega', and 'Giga', equalling 2^10, 2^20, and 2^30 +bytes respectively. Such letter suffixes can also be entirely omitted. + acpi= [HW,ACPI,X86] Advanced Configuration and Power Interface @@ -545,16 +550,20 @@ and is between 256 and 4096 characters. It is defined in the file Format: <first_slot>,<last_slot>,<port>,<enum_bit>[,<debug>] - crashkernel=nn[KMG]@ss[KMG] - [KNL] Reserve a chunk of physical memory to - hold a kernel to switch to with kexec on panic. + crashkernel=size[KMG][@offset[KMG]] + [KNL] Using kexec, Linux can switch to a 'crash kernel' + upon panic. This parameter reserves the physical + memory region [offset, offset + size] for that kernel + image. If '@offset' is omitted, then a suitable offset + is selected automatically. Check + Documentation/kdump/kdump.txt for further details. crashkernel=range1:size1[,range2:size2,...][@offset] [KNL] Same as above, but depends on the memory in the running system. The syntax of range is start-[end] where start and end are both a memory unit (amount[KMG]). See also - Documentation/kdump/kdump.txt for a example. + Documentation/kdump/kdump.txt for an example. cs89x0_dma= [HW,NET] Format: <dma> @@ -1262,10 +1271,9 @@ and is between 256 and 4096 characters. It is defined in the file 6 (KERN_INFO) informational 7 (KERN_DEBUG) debug-level messages - log_buf_len=n Sets the size of the printk ring buffer, in bytes. - Format: { n | nk | nM } - n must be a power of two. The default size - is set in the kernel config file. + log_buf_len=n[KMG] Sets the size of the printk ring buffer, + in bytes. n must be a power of two. The default + size is set in the kernel config file. logo.nologo [FB] Disables display of the built-in Linux logo. This may be used to provide more screen space for |