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sched/mmcid: Use proper data structures

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Having a lot of CID functionality specific members in struct task_struct
and struct mm_struct is not really making the code easier to read.

Encapsulate the CID specific parts in data structures and keep them
separate from the stuff they are embedded in.

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://patch.msgid.link/20251119172549.131573768@linutronix.de
This commit is contained in:
Thomas Gleixner 2025-11-19 18:26:47 +01:00 • committed by Peter Zijlstra
commit 8cea569ca7
7 changed files with 85 additions and 75 deletions
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init/init_task.c
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@ -223,6 +223,9 @@ struct task_struct init_task __aligned(L1_CACHE_BYTES) = {
#ifdef CONFIG_SECCOMP_FILTER
.seccomp = { .filter_count = ATOMIC_INIT(0) },
#endif
#ifdef CONFIG_SCHED_MM_CID
.mm_cid = { .cid = MM_CID_UNSET, },
#endif
};
EXPORT_SYMBOL(init_task);