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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2013-04-07 14:23:00 +0200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2013-04-08 12:32:44 +0200 |
| commit | afae50e4aae2ac79e675df4879dee95e00235733 (patch) | |
| tree | 316334ecc57b78a3d6fbb956b712df5c2a1c9f27 /man7/capabilities.7 | |
| parent | a7a8f3b088857c4e32ce232208d590af58b5dd45 (diff) | |
| download | man-pages-afae50e4aae2ac79e675df4879dee95e00235733.tar.gz | |
capabilities.7: Document /proc/sys/kernel/cap_last_cap
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Diffstat (limited to 'man7/capabilities.7')
| -rw-r--r-- | man7/capabilities.7 | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/man7/capabilities.7 b/man7/capabilities.7 index e3cfdf84a4..c06bf16a35 100644 --- a/man7/capabilities.7 +++ b/man7/capabilities.7 @@ -667,6 +667,13 @@ See below for a discussion of the treatment of capabilities during Using .BR capset (2), a thread may manipulate its own capability sets (see below). +.PP +Since Linux 3.2, the file +.I /proc/sys/kernel/cap_last_cap +exposes the numerical value of the highest capability +supported by the running kernel; +this can be used to determine the highest bit +that may be set in a capability set. .\" .SS File capabilities Since kernel 2.6.24, the kernel supports |