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wishlist: add a few more entries#50

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brauner merged 3 commits intouapi-group:mainfrom
brauner:work
Mar 9, 2026
Merged

wishlist: add a few more entries#50
brauner merged 3 commits intouapi-group:mainfrom
brauner:work

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@brauner brauner commented Mar 9, 2026

Add in-progress entries for nullfs, MOVE_MOUNT_BENEATH rootfs, and empty mount namespace
creation

  • Add nullfs (immutable rootfs) enabling pivot_root() on the real rootfs
  • Add MOVE_MOUNT_BENEATH on the rootfs for root-switching without pivot_root(2)
  • Add empty mount namespace creation via unshare(UNSHARE_EMPTY_MNTNS) and
    clone3(CLONE_EMPTY_MNTNS)

Signed-off-by: Christian Brauner brauner@kernel.org

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