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Florian Philipp wrote: |
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> Am 19.11.2012 18:51, schrieb Kerin Millar: |
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>> Florian Philipp wrote: |
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>>> Hi list! |
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>>> |
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>>> I'm wondering about the usage of frontswap and cleancache. Now that all |
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>>> pieces are in place in kernel-3.5, is it actually used? |
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>>> |
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>>> I've found references to cleancache and frontswap in several source |
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>>> files of the kernel (ext4, swapfile, page_io, ...). |
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>>> /sys/kernel/mm/zcache is also present but seems to indicate no usage at |
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>>> all. Content attached below. |
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>> It might be that you have enabled some of these options as loadable |
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>> modules: CONFIG_ZCACHE, CONFIG_CLEANCACHE and CONFIG_FRONTSWAP. If so, |
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>> build them directly into the kernel image instead. |
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>> |
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>> Cheers, |
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>> |
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>> --Kerin |
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>> |
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> |
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> You cannot build these as modules. Anyway, I'm recompiling right now |
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> with debugfs and configfs. Let's see if that tells me anything. |
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> |
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> Regards, |
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> Florian Philipp |
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> |
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Ah, good to know. I know that it was possible in some older kernels - |
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while the feature was still in staging - but it must have since been fixed. |
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|
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--Kerin |
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