On Mon, Oct 10, 2022 at 07:00:22PM +0800, zhaoyang.huang wrote: > From: Zhaoyang Huang <zhaoyang.huang@xxxxxxxxxx> > > __GFP_IO is believed to prevent the allocation being suspended due to accessing > physical block devices when reclaiming dirty pages. Zram is not considered as > such kind of device from kernel perspective of view. Do swap things if the system > is zram only. No, zram is not in any way special, and for sure not important enough to add special case hacks to the VM code.