Opened 12 years ago

Last modified 5 years ago

#5088 assigned enhancement

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

Reported by: lowdread Owned by: nobody
Priority: low Milestone: Unscheduled
Component: System/Kernel Version: R1/alpha1
Keywords: Cc:
Blocked By: Blocking:
Platform: All


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.

Change History (5)

comment:1 by lowdread, 12 years ago

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

comment:2 by umccullough, 12 years ago

Component: - GeneralSystem/Kernel
Owner: changed from nobody to axeld

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.

comment:3 by stippi, 12 years ago

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!

comment:4 by pulkomandy, 7 years ago

Milestone: R1Unscheduled

comment:5 by axeld, 5 years ago

Owner: changed from axeld to nobody
Status: newassigned
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