udev/zram: Try to re-compress only uncompressed pages

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udev/zram: Try to re-compress only uncompressed pages #44

Closed ventureoo closed 9 months ago

ventureoo commented 9 months ago

This reduces CPU overhead while saving memory in the case of pages that could not be compressed by the primary algorithm. This also gets rid of the CONFIG_ZRAM_MEMORY_TRACKING dependency for the kernel.

Thanks @firelzrd for the hint.