diff options
author | Yijing Wang <wangyijing@huawei.com> | 2013-01-23 07:29:06 -0500 |
---|---|---|
committer | Bjorn Helgaas <bhelgaas@google.com> | 2013-01-31 11:07:33 -0500 |
commit | 8c8803c5968bd82ad3d65e8603c6bcf2d9674d83 (patch) | |
tree | a3ee5b9da1caab27872a5d47bc6ffd9a14cffd35 /Documentation/kernel-parameters.txt | |
parent | 1c531d82ee1a220ae7132ba0eb31edaf186b56d1 (diff) |
PCI: Document hpiosize= and hpmemsize= resource reservation parameters
Document PCI hotplug resource reservation parameters hpiosize and
hpmemsize. These parameters override default hotplug I/O size (256 bytes)
and default mem size (2M).
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r-- | 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 363e348bff9b..69f97a836600 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt | |||
@@ -2248,6 +2248,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted. | |||
2248 | the default. | 2248 | the default. |
2249 | off: Turn ECRC off | 2249 | off: Turn ECRC off |
2250 | on: Turn ECRC on. | 2250 | on: Turn ECRC on. |
2251 | hpiosize=nn[KMG] The fixed amount of bus space which is | ||
2252 | reserved for hotplug bridge's IO window. | ||
2253 | Default size is 256 bytes. | ||
2254 | hpmemsize=nn[KMG] The fixed amount of bus space which is | ||
2255 | reserved for hotplug bridge's memory window. | ||
2256 | Default size is 2 megabytes. | ||
2251 | realloc= Enable/disable reallocating PCI bridge resources | 2257 | realloc= Enable/disable reallocating PCI bridge resources |
2252 | if allocations done by BIOS are too small to | 2258 | if allocations done by BIOS are too small to |
2253 | accommodate resources required by all child | 2259 | accommodate resources required by all child |