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Editing the Kernel

Discussion in 'Android Devices' started by k.c.cole, Feb 4, 2011.

  1. k.c.cole

    k.c.cole Android Enthusiast
    Thread Starter

    Okay, so I am doing a little experimentation editing the kernel. Specifically, I am manipulating the swapiness file. I have it set to 0 with no adverse affects, and it seems to free up about 25-30 MB of system RAM (Before changing 25-30 MBs free, after 60 MBS free). Can any one think of any adverse effects this may have? I am going to experiment with it for a few days. So far it has allowed me to stably OC to 787, before I couldn't top 768 without KP, and 768 was a bit unstable. I'm getting quadrant score of 1200+ with my current config. But I'm fine with 600 most of the time.
     



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  2. getitnowmarketing

    getitnowmarketing Android Enthusiast

    Are you actually changing this in the kernel config and building a kernel or simply changing the sysctl.conf in velocity? I'm also assuming you are referring to vmswappiness correct?

    The kernel default value for vmswappiness is 60 and this is a description of vmswappiness here http://www.linuxvox.com/2009/10/what-is-the-linux-kernel-parameter-vm-swappiness/
     
  3. k.c.cole

    k.c.cole Android Enthusiast
    Thread Starter

    I did it with the vm editor in velocity, and yes that is the correct .conf file. I think it was at 35 when i changed it.

    So, I got the idea form a code-freak friend, who basically does the same config on a linux laptop to increase it's boot speed and optimize it's RAM usage. He also has optimized a web-server with similar settings.

    Do you think this method has any merit applied to an Android phone? or am I barking up the wrong tree?
     

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