@knro Jasem, the rule you´ve added does not work on my system (Tumbleweed):
edgar@Edgar-Desktop:~> cat /sys/module/usbcore/parameters/usbfs_memory_mb 16
ACTION=="add", SUBSYSTEM=="usb", RUN+="/bin/sh -c 'test -f /sys/module/usbcore/parameters/usbfs_memory_mb && test `cat /sys/module/usbcore/parameters/usbfs_memory_mb` -lt 256 && echo 256 > /sys/module/usbcore/parameters/usbfs_memory_mb'"