[<0>] kswapd_try_to_sleep+0x211/0x220
[<0>] kswapd+0xc1/0x1f0
[<0>] kthread+0xf2/0x120
[<0>] ret_from_fork+0x47/0x70
[<0>] ret_from_fork_asm+0x1b/0x30