diff options
Diffstat (limited to 'Documentation/kernel-parameters.txt')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 43ecdcd39df2..4a337daf0c09 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -829,6 +829,15 @@ bytes respectively. Such letter suffixes can also be entirely omitted. CONFIG_DEBUG_PAGEALLOC, hence this option will not help tracking down these problems. + debug_pagealloc= + [KNL] When CONFIG_DEBUG_PAGEALLOC is set, this + parameter enables the feature at boot time. In + default, it is disabled. We can avoid allocating huge + chunk of memory for debug pagealloc if we don't enable + it at boot time and the system will work mostly same + with the kernel built without CONFIG_DEBUG_PAGEALLOC. + on: enable the feature + debugpat [X86] Enable PAT debugging decnet.addr= [HW,NET] @@ -1228,9 +1237,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted. multiple times interleaved with hugepages= to reserve huge pages of different sizes. Valid pages sizes on x86-64 are 2M (when the CPU supports "pse") and 1G - (when the CPU supports the "pdpe1gb" cpuinfo flag) - Note that 1GB pages can only be allocated at boot time - using hugepages= and not freed afterwards. + (when the CPU supports the "pdpe1gb" cpuinfo flag). hvc_iucv= [S390] Number of z/VM IUCV hypervisor console (HVC) terminal devices. Valid values: 0..8 @@ -2506,6 +2513,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted. OSS [HW,OSS] See Documentation/sound/oss/oss-parameters.txt + page_owner= [KNL] Boot-time page_owner enabling option. + Storage of the information about who allocated + each page is disabled in default. With this switch, + we can turn it on. + on: enable the feature + panic= [KNL] Kernel behaviour on panic: delay <timeout> timeout > 0: seconds before rebooting timeout = 0: wait forever |