On Thu, Feb 27, 2025 at 10:34:51PM +0800, ying chen wrote: > When we use zram as swap disks, global reclaim may cause the memory in some > cgroups with memory.swappiness set to 0 to be swapped into zram. This memory > won't be swapped back immediately after the free memory increases. Instead, > it will continue to occupy the zram space, which may result in no available > zram space for the cgroups with swapping enabled. Therefore, I think that > when the vm.swappiness is set to 0, global reclaim should also refrain > from memory swapping, just like these cgroups. > > Signed-off-by: yc1082463 <yc1082463@xxxxxxxxx> It seems like you are still on memcg-v1. What is stopping you to move to memcg-v2 and use memory.swap.max = 0?
