X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=Documentation%2Fkernel-parameters.txt;h=52a8471fba9c877b514cb8580424f1c3ae6f51de;hb=74256136ec779b263d93a0566c2dc5ca3598d2e5;hp=5688b69c26bb6c93f7575e59f482ac4317f500b9;hpb=e48a45aa2f3a810531610e2377e6f782c4f922d6;p=karo-tx-linux.git diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 5688b69c26bb..52a8471fba9c 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1759,7 +1759,9 @@ bytes respectively. Such letter suffixes can also be entirely omitted. keepinitrd [HW,ARM] - kernelcore=nn[KMG] [KNL,X86,IA-64,PPC] This parameter + kernelcore= [KNL,X86,IA-64,PPC] + Format: nn[KMGTPE] | "mirror" + 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 @@ -1775,6 +1777,14 @@ bytes respectively. Such letter suffixes can also be entirely omitted. use the HighMem zone if it exists, and the Normal zone if it does not. + Instead of specifying the amount of memory (nn[KMGTPE]), + you can specify "mirror" option. In case "mirror" + option is specified, mirrored (reliable) memory is used + for non-movable allocations and remaining memory is used + for Movable pages. nn[KMGTPE] and "mirror" are exclusive, + so you can NOT specify nn[KMGTPE] and "mirror" at the same + time. + kgdbdbgp= [KGDB,HW] kgdb over EHCI usb debug port. Format: [,poll interval] The controller # is the number of the ehci usb debug @@ -2732,6 +2742,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted. we can turn it on. on: enable the feature + page_poison= [KNL] Boot-time parameter changing the state of + poisoning on the buddy allocator. + off: turn off poisoning + on: turn on poisoning + panic= [KNL] Kernel behaviour on panic: delay timeout > 0: seconds before rebooting timeout = 0: wait forever