nstree: add unified namespace list

Allow to walk the unified namespace list completely locklessly.

Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-18-2e6f823ebdc0@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Christian Brauner 2025-10-29 13:20:31 +01:00
commit 560e25e70f
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3 changed files with 15 additions and 1 deletions