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Is there a way of limiting the Kernel's memory manager to use only 75% of memory?
May 3, 2018
November 24, 2022
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The only way I can think of is to tell the Kernel 25% of the memory is bad and not to use it.
This Unix & Linux Q&A has excellent instructions. Here is a snippet:
If there’s bad RAM at 802M and 807M, you can disable a 10M section of RAM starting at 800M like this: