Details
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Bug
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Resolution: Done
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Undefined
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None
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4.10
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None
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Important
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No
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Rejected
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False
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Description
Description of problem:
We are setting vm.nr_hugepages = 4096 /etc/sysctl.d/huge.confon a HP Gen 10 system with 4 NUMA After reboot the value is back to 1024Here are the kernel parameters that we are using :transparent_hugepage=never isolcpus=1 intel_iommu=on iommu=pt
Version-Release number of selected component (if applicable):
NAME="Red Hat Enterprise Linux CoreOS" VERSION="410.84.202212061416-0"
How reproducible:
Steps to Reproduce:
1.sysctl -w vm.nr_hugepages=4096 2.check the result (sysctl -a | grep nr_hugepages): value is 4096 3.reboot Value is back to 1024
Actual results:
Actual results: 1024
Expected results:
Value should be permamently set to 4096
Additional info:
We are seeing the following errors in dmesg:
pmd_set_huge: Cannot satisfy [mem 0xbc000000-0xbc200000] with a huge-page mapping due to MTRR override.