This is a knows issue that have been fixed upstream in the MM tree and we are missing the fix: [https://lore.kernel.org/linux-mm/d38a095e-dc39-7e82-bb76-2c9247929f07|https://lore.kernel.org/linux-mm/d38a095e-dc39-7e82-bb76-2c9247929f07@oracle.com/] This has been found on bsp: marvell-cn96xx