[    0.476257] ------------[ cut here ]------------
[    0.476562] WARNING: CPU: 0 PID: 1 at kernel/memremap.c:111 memremap+0x108/0x188
[    0.476654] memremap attempted on ram 0x8f800000 size: 0x700000
[    0.476715] Modules linked in:
[    0.476898] CPU: 0 PID: 1 Comm: swapper Not tainted 4.9.0+ #423
[    0.476959] Hardware name: Nokia RX-51 board
[    0.477294] [<c010b9d4>] (unwind_backtrace) from [<c0109ff4>] (show_stack+0x10/0x14)
[    0.477416] [<c0109ff4>] (show_stack) from [<c0127964>] (__warn+0xbc/0xe8)
[    0.477478] [<c0127964>] (__warn) from [<c0127a24>] (warn_slowpath_fmt+0x34/0x44)
[    0.477569] [<c0127a24>] (warn_slowpath_fmt) from [<c01a1ba8>] (memremap+0x108/0x188)
[    0.477661] [<c01a1ba8>] (memremap) from [<c03e0784>] (dma_init_coherent_memory+0x3c/0xf8)
[    0.477752] [<c03e0784>] (dma_init_coherent_memory) from [<c03e086c>] (dma_declare_coherent_memory+0x2c/0x68)
[    0.477844] [<c03e086c>] (dma_declare_coherent_memory) from [<c011649c>] (rmem_omapfb_device_init+0x38/0x64)
[    0.477935] [<c011649c>] (rmem_omapfb_device_init) from [<c0488854>] (of_reserved_mem_device_init_by_idx+0xcc/0x154)
[    0.477996] [<c0488854>] (of_reserved_mem_device_init_by_idx) from [<c080ad8c>] (omapdss_init_of+0xe8/0x158)
[    0.478088] [<c080ad8c>] (omapdss_init_of) from [<c08034f4>] (customize_machine+0x1c/0x28)
[    0.478179] [<c08034f4>] (customize_machine) from [<c0101640>] (do_one_initcall+0xac/0x150)
[    0.478240] [<c0101640>] (do_one_initcall) from [<c0800cfc>] (do_basic_setup+0x98/0xd4)
[    0.478332] [<c0800cfc>] (do_basic_setup) from [<c0800d9c>] (kernel_init_freeable+0x64/0x100)
[    0.478424] [<c0800d9c>] (kernel_init_freeable) from [<c057f550>] (kernel_init+0x8/0x110)
[    0.478515] [<c057f550>] (kernel_init) from [<c0106f18>] (ret_from_fork+0x14/0x3c)
[    0.478637] ---[ end trace f9c8c2d6d58335b1 ]---
[    0.478698] omapfb: dma_declare_coherent_memory failed