solve dumpstate warning

root@hi4511:/ # procrank
[   61.907931] ------------[ cut here ]------------
[   61.912637] WARNING: at mm/page_alloc.c:2413 __alloc_pages_nodemask+0x180/0x7b4()
[   61.920125] Modules linked in:
[   61.923220] CPU: 2 PID: 1344 Comm: procrank Not tainted 3.10.12 #142
[   61.929640] [<c001569c>] (unwind_backtrace+0x0/0x134) from [<c0012634>] (show_stack+0x10/0)
[   61.938312] [<c0012634>] (show_stack+0x10/0x14) from [<c001f214>] (warn_slowpath_common+0x)
[   61.947319] [<c001f214>] (warn_slowpath_common+0x54/0x6c) from [<c001f2c8>] (warn_slowpath)
[   61.957013] [<c001f2c8>] (warn_slowpath_null+0x1c/0x24) from [<c007c170>] (__alloc_pages_n)
[   61.967058] [<c007c170>] (__alloc_pages_nodemask+0x180/0x7b4) from [<c007c7b4>] (__get_fre)
[   61.976933] [<c007c7b4>] (__get_free_pages+0x10/0x24) from [<c00cad4c>] (seq_read+0x238/0x)
[   61.985599] [<c00cad4c>] (seq_read+0x238/0x480) from [<c00ac284>] (vfs_read+0x98/0x144)
[   61.993648] [<c00ac284>] (vfs_read+0x98/0x144) from [<c00ac8e4>] (SyS_read+0x3c/0x78)
[   62.001525] [<c00ac8e4>] (SyS_read+0x3c/0x78) from [<c000ea80>] (ret_fast_syscall+0x0/0x30)
[   62.009884] ---[ end trace 1501c5500dae75ba ]---