On Tue, Aug 13, 2019 at 05:14:59AM -0700, kernelci.org bot wrote:

For the past few days -next has been failing to build configurations
with LPAE enabled:

> arm:
>     axm55xx_defconfig: (gcc-8) FAIL
>     keystone_defconfig: (gcc-8) FAIL
>     multi_v7_defconfig+CONFIG_EFI=y+CONFIG_ARM_LPAE=y: (gcc-8) FAIL

due to errors related to dma_atomic_pool_init()

> Errors summary:
> 
>     1    dma-mapping.c:(.init.text+0x18): undefined reference to `dma_atomic_pool_init'
>     1    /home/buildslave/workspace/workspace/kernel-build@8/linux/build/../arch/arm/mm/dma-mapping.c:2427: undefined reference to `dma_atomic_pool_init'
>     1    /home/buildslave/workspace/workspace/kernel-build@6/linux/build/../arch/arm/mm/dma-mapping.c:2427: undefined reference to `dma_atomic_pool_init'

caused by 896089d598c1d46 (arm: initialize the dma-remap atomic pool for
LPAE configs).  Nothing ensures that DMA_DIRECT_REMAP is selected in
such configurations so that function is not built.