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authorH. Peter Anvin <hpa@linux.intel.com>2010-08-25 16:38:20 -0700
committerH. Peter Anvin <hpa@linux.intel.com>2010-08-25 17:10:49 -0700
commit9ea77bdb39b62c9bf9fd3cdd1c25a9420bccd380 (patch)
tree8fc6396e340bdc9fb38c90569dafa1abb34080d4 /Documentation
parentd0cd7425fab774a480cce17c2f649984312d0b55 (diff)
x86, bios: Make the x86 early memory reservation a kernel option
Add a kernel command-line option so the x86 early memory reservation size can be adjusted at runtime instead of only at compile time. Suggested-by: Andrew Morton <akpm@linux-foundation.org> LKML-Reference: <tip-d0cd7425fab774a480cce17c2f649984312d0b55@git.kernel.org> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/kernel-parameters.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 2c85c0692b0..41ce93e71de 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2150,6 +2150,11 @@ and is between 256 and 4096 characters. It is defined in the file
Reserves a hole at the top of the kernel virtual
address space.
+ reservelow= [X86]
+ Format: nn[K]
+ Set the amount of memory to reserve for BIOS at
+ the bottom of the address space.
+
reset_devices [KNL] Force drivers to reset the underlying device
during initialization.