Messages in this thread Patch in this message | | | From | Yijing Wang <> | Subject | [PATCH] PCI: Document PCI Hotplug resource reservation parameters | Date | Wed, 23 Jan 2013 20:29:06 +0800 |
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Document pci hotplug resource reservation parameters hpiosize and hpmemsize into Documentation/kernel-parameters.txt. The two parameters can override default hotplug io size(256 bytes) and default mem size(2M).
Signed-off-by: Yijing Wang <wangyijing@huawei.com> --- Documentation/kernel-parameters.txt | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 1fb269b..46eff3d 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -2263,6 +2263,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted. the default. off: Turn ECRC off on: Turn ECRC on. + hpiosize=nn[KMG] The fixed amount of bus space which is + reserved for hotplug bridge's IO window. + Default size is 256 bytes. + hpmemsize=nn[KMG] The fixed amount of bus space which is + reserved for hotplug bridge's memory window. + Default size is 2 megabytes. realloc= Enable/disable reallocating PCI bridge resources if allocations done by BIOS are too small to accommodate resources required by all child -- 1.7.1
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