proc: fix a dentry lock race between release_task and lookup

Andrew Lukoshkorequested to merge
alukoshko/centos-stream-9:RHEL-124568 into main

Merge Request Required Information

Summary of Changes

Backport of upstream commit d919a1e79bac890421537cf02ae773007bf55e6b to fix the following performance issue:
https://bugzilla.kernel.org/show_bug.cgi?id=216054

Approved Development Ticket(s)

JIRA: https://issues.redhat.com/browse/RHEL-124568

Signed-off-by: Andrew Lukoshko alukoshko@almalinux.org

Edited by Scott Weaver

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