Make a way to tell Haiku to use less memory ram at boot

[lowdread]

Sorry for my english ... I have "bad sectors" in my memory ram ... and in linux i can choose the usage of a specific amount of ram by the system in the boot process ... This could be a good enhancement for Haiku for deal with problematic memory rams.

[umccullough]

I have heard of people with soldered RAM on their laptops wanting a feature to blacklist areas of RAM in situations where it cannot be simply replaced, but large portions of the RAM are otherwise functional - or there is an expansion DIMM that is good.

[stippi]

If it's indeed only the last bit of RAM, there is a kernel compile time configuration that you can use to limit the RAM, but you have to build your own image:

• Create a folder in build/ named "user_config_headers".
• Copy the kernel_debug_config.h header from config_headers into your user_config_headers folder.
• Edit the header and way at the bottom there is LIMIT_AVAILABLE_MEMORY. Uncomment this line and adjust the available memory to your needs.

If you don't know how to build your own image and install it onto a partition, you should be able to search the Haiku website and follow a tutorial there. Hope this helps!