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  1. #1

    How to increase lowmem?

    I have a 32 bit linux. It partitions total mem to highmem and lowmem. For my system, I am running out of lowmem while I have ample space in highmem. How do I force linux to increase the lowmem size(and hence redunce highmem size)? I tried cmdline highmem=xxxm, this only changes highmem size, but lowmem stays the same(it is not changed to totalmem-highmem). Thanks for the help

  2. #2

  3. #3
    I can not switch to 64 bit kernel. Can we increase lowmem for 32bit kernel?
    Quote Originally Posted by mizzle View Post
    Switch to 64 bit kernel.

  4. $spacer_open
  5. #4
    Linux Engineer
    Join Date
    Apr 2012
    Virginia, USA
    Yes, you have to lower the amount of total RAM you have in the system to something like 4-8GB max.

  6. #5
    As a new person, may I ask why you can't switch to a 64 bit kernel? Is it because of machine type? I am running a Mac G5 in 64 bit mode.


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