Thread (6 messages) 6 messages, 2 authors, 2021-12-12

Re: [PATCH -mm v2 2/3] cn_proc: replaced old hard-coded 16 with TASK_COMM_LEN_16

From: Michal Miroslaw <mirq-linux@rere.qmqm.pl>
Date: 2021-12-12 06:10:22
Also in: bpf, linux-fsdevel, linux-perf-users, lkml

On Sat, Dec 11, 2021 at 06:39:48AM +0000, Yafang Shao wrote:
This TASK_COMM_LEN_16 has the same meaning with the macro defined in
linux/sched.h, but we can't include linux/sched.h in a UAPI header, so
we should specifically define it in the cn_proc.h.
[...]
quoted hunk ↗ jump to hunk
index db210625cee8..6dcccaed383f 100644
--- a/include/uapi/linux/cn_proc.h
+++ b/include/uapi/linux/cn_proc.h
@@ -21,6 +21,8 @@
 
 #include <linux/types.h>
 
+#define TASK_COMM_LEN_16 16
Hi,

Since this is added to UAPI header, maybe you could make it a single
instance also used elsewhere? Even though this is constant and not
going to change I don't really like multiplying the sources of truth.

Best Regards
Michał Mirosław
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