docs: proc.rst: comm: mention the included NUL

Indicate that the actual value will be one character less.

Signed-off-by: Christoph Anton Mitterer <mail@christoph.anton.mitterer.name>
Link: https://lore.kernel.org/r/20240205154100.736499-1-mail@christoph.anton.mitterer.name
[jc: did s/null/NUL/ ]
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Christoph Anton Mitterer 2024-02-05 16:41:00 +01:00 committed by Jonathan Corbet
parent 4767c0c102
commit 2d1ab26ace
1 changed files with 2 additions and 2 deletions

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@ -1899,8 +1899,8 @@ For more information on mount propagation see:
These files provide a method to access a task's comm value. It also allows for These files provide a method to access a task's comm value. It also allows for
a task to set its own or one of its thread siblings comm value. The comm value a task to set its own or one of its thread siblings comm value. The comm value
is limited in size compared to the cmdline value, so writing anything longer is limited in size compared to the cmdline value, so writing anything longer
then the kernel's TASK_COMM_LEN (currently 16 chars) will result in a truncated then the kernel's TASK_COMM_LEN (currently 16 chars, including the NUL
comm value. terminator) will result in a truncated comm value.
3.7 /proc/<pid>/task/<tid>/children - Information about task children 3.7 /proc/<pid>/task/<tid>/children - Information about task children