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 <wangyij...@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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