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SubjectRe: [PATCH net 1/4] umh: add exit routine for UMH process
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From: Taehee Yoo <ap420073@gmail.com>
Date: Sun, 6 Jan 2019 14:34:52 +0900

> How about adding a new PF_UMH flag for task_struct->flags to identify
> UMH process?
> By using this flag, the exit_umh() can avoid unnecessary lookups.

Yes, that might be more efficient and eliminate the high cost for
non-UMH tasks.

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