On Tuesday 2024-07-09 18:18, Sasha Levin wrote: >From: Tejun Heo <tj@xxxxxxxxxx> > >[ Upstream commit 2a1b02bcba78f8498ab00d6142e1238d85b01591 ] > >TASK_COMM_LEN is only 16 leading to badly truncated names for >rescuers. For example, the rescuer for the inet_frag_wq workqueue becomes: > > $ ps -ef | grep '[k]worker/R-inet' > root 483 2 0 Apr26 ? 00:00:00 [kworker/R-inet_] * very old Linux: process names are fixed to 16 bytes * Linux 6.something: we relaxed it for kthreads in principle, but oopsie-daisie forgot one case so it's still 16 bytes for that one case * 2a1b02: now that one case also has length limit lifted which for me makes this count as a feature rather than a bugfix, and I would not add it to -stable. There might even be a poor soul who tests for exact process names in one obscure shell script of his… would not want to break his setup when going 6.9.8->6.9.9, only with 6.9.8->6.10.
