On Tue, Apr 22, 2014 at 8:25 AM, Reindl Harald <h.reindl@xxxxxxxxxxxxx> wrote:
> Hi
>
> currently you need to remove the zram module
> because it's autoloaded in case you want
> to use the zram num_devices-param
>
> maybe it should not be autoloaded implicitly
I don't have any machine that has zram autoloaded. There's something
on your system that is telling something to load the zram module. It
won't load without something explicitly loading it.
> /usr/sbin/rmmod zram 2> /dev/null > /dev/null
> /usr/sbin/modprobe -q zram num_devices=$num_cpus 2> /dev/null > /dev/nul
> ______________________________________
>
> [root@testserver:~]$ cat /usr/sbin/zramstart
> #!/usr/bin/bash
>
> num_cpus=$(grep -c processor /proc/cpuinfo)
> [ "$num_cpus" != 0 ] || num_cpus=1
>
> last_cpu=$((num_cpus - 1))
> FACTOR=20
> [ -f /etc/sysconfig/zram ] && source /etc/sysconfig/zram || true
> factor=$FACTOR
>
> memtotal=$(grep MemTotal /proc/meminfo | awk ' { print $2 } ')
> mem_by_cpu=$(($memtotal/$num_cpus*$factor/100*1024))
>
> /usr/sbin/rmmod zram 2> /dev/null > /dev/null
> /usr/sbin/modprobe -q zram num_devices=$num_cpus 2> /dev/null > /dev/null
>
> for i in $(seq 0 $last_cpu); do
> echo $mem_by_cpu > /sys/block/zram$i/disksize
> /usr/sbin/mkswap /dev/zram$i
> /usr/sbin/swapon -p 100 /dev/zram$i
>
> done
I have no idea what this script is, or why it's removing the zram
module like that. It doesn't appear packaged in Fedora, so I can't
really tell you where to report your issue but this isn't a kernel
problem that I can see...
josh
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