A warning about 5.12-rc1

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Systemd swap Zram Shell systemd-swap

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  • linux

    Linux kernel source tree

    • The fix makes me feel a little uneasy.

    It changes the behaviour of swap_page_sector() to take into account the offset. But swap_page_sector() was already used before the bug was introduced, a few lines earlier in the bdev_write_page() fast path, as introduced by this commit from 2014: https://github.com/torvalds/linux/commit/dd6bd0d9c7dbb395100...

    So either:

    1. The bdev_write_page() call was also broken, and has been for years, or

    2. The bdev_write_page() uses the sector value differently, worked fine with the old swap_page_sector(), but is now broken with the new version, or

    3. The change in swap_page_sector() somehow doesn't affect bdev_write_page(); maybe it's a noop when using swap files?

  • systemd-swap

    Script for creating hybrid swap space from zram swaps, swap files and swap partitions.

    • That sound like what systemd-swap does. Apparently, hibernation is not quite working yet, though.

    https://github.com/Nefelim4ag/systemd-swap

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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