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keyrings.7: Document /proc/key-users 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2016-11-03 20:06:44 +01:00
parent ef805a05f8
commit ebf039e2ea
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@ -435,6 +435,44 @@ for more information.
.\"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
.\" FIXME document /proc files
.TP
.IR /proc/keys " (since Linux 2.6.10)"
.TP
.IR /proc/key-users " (since Linux 2.6.10)"
This file lists various information for each user ID that
has at least one key on the system.
An example of the data that one might see in this file is the following:
.nf
.in +4n
0: 10 9/9 2/1000000 22/25000000
42: 9 9/9 8/200 106/20000
1000: 11 11/11 10/200 271/20000
.in
.fi
The fields shown in each line are as follows:
.RS
.TP
.I uid
The user ID.
.TP
.I usage
[To be documented]
.\" FIXME What does 'usage' show us?
.TP
.IR nkeys / nikeys
The total number of keys owned by the user,
and the number of those keys that have been instantiated.
.TP
.IR qnkeys / maxkeys
The number of keys owned by the user,
and the maximum keys that the user may own.
.TP
.IR qnbytes / maxbytes
The number of bytes consumed in payloads of the keys owned by this user,
and the upper limit on the number of bytes in key payloads for that user.
.RE
.TP
.IR /proc/sys/kernel/keys/gc_delay " (since Linux 2.6.32)"
.\" commit 5d135440faf7db8d566de0c6fab36b16cf9cfc3b
The value in this file specifies the interval, in seconds,