mm: fix possible node missing in write_cpusets

If a system has noncontinuous nodes, or the node doesn't start from 0,
write_cpusets() function may fail because it hard-coded second node as
"node1". This patch fixes the function by fetching second node number
from the stored array.

Tested-by: Caspar Zhang <caspar@casparzhang.com>
Signed-off-by: Caspar Zhang <caspar@casparzhang.com>
Acked-by: Zhouping Liu <zliu@redhat.com>
4 files changed