diff options
Diffstat (limited to 'lib/sleepy_penguin/cfr.rb')
-rw-r--r-- | lib/sleepy_penguin/cfr.rb | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/sleepy_penguin/cfr.rb b/lib/sleepy_penguin/cfr.rb index 01cc4a0..845a736 100644 --- a/lib/sleepy_penguin/cfr.rb +++ b/lib/sleepy_penguin/cfr.rb @@ -19,6 +19,9 @@ module SleepyPenguin # # See copy_file_range(2) manpage for full documentation: # http://man7.org/linux/man-pages/man2/copy_file_range.2.html + # + # This method only works in Linux 4.5+ with sleepy_penguin 3.5.0+, + # and may require up-to-date kernel headers for non-x86/x86-64 systems. def self.copy_file_range(io_in, io_out, len, flags = 0, off_in: nil, off_out: nil) __cfr(io_in, off_in, io_out, off_out, len, flags) |