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    SubjectRe: [PATCH] add some drop_caches documentation and info messsge
    On Wed, Oct 24, 2012 at 02:18:38PM -0700, Dave Hansen wrote:
    > Sounds fairly valid to me. But, it's also one that would not be harmed
    > or disrupted in any way because of a single additional printk() during
    > each suspend-to-disk operation.

    Btw,

    back to the drop_caches patch. How about we hide the drop_caches
    interface behind some mm debugging option in "Kernel Hacking"? Assuming
    we don't need it otherwise on production kernels. Probably make it
    depend on CONFIG_DEBUG_VM like CONFIG_DEBUG_VM_RB or so.

    And then also add it to /proc/vmstat, in addition.

    --
    Regards/Gruss,
    Boris.


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