diff options
Diffstat (limited to 'sys-utils/zramctl.8')
-rw-r--r-- | sys-utils/zramctl.8 | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys-utils/zramctl.8 b/sys-utils/zramctl.8 index ccfb8901d..c6ecdc3d5 100644 --- a/sys-utils/zramctl.8 +++ b/sys-utils/zramctl.8 @@ -42,13 +42,18 @@ is used to quickly set up zram device parameters, to reset zram devices, and to query the status of used zram devices. .PP If no option is given, all non-zero size zram devices are shown. +.PP +Note that \fIzramdev\fP node specified on command line has to already exist. The command +.B zramctl +creates a new /dev/zram<N> nodes only when \fB\-\-find\fR option specified. It's possible +(and common) that after system boot /dev/zram<N> nodes are not created yet. .SH OPTIONS .TP .BR \-a , " \-\-algorithm lzo" | lz4 | lz4hc | deflate | 842 Set the compression algorithm to be used for compressing data in the zram device. .TP .BR \-f , " \-\-find" -Find the first unused zram device. If a \fB--size\fR argument is present, then +Find the first unused zram device. If a \fB\-\-size\fR argument is present, then initialize the device. .TP .BR \-n , " \-\-noheadings" |