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Subjectm68knommu: dma_{alloc,free}_coherent compile error
I'm getting the following compile error trying to compile 2.6.18-rc5-mm1 
(but it doesn't seem to be specific to -mm) for m68knommu with
CONFIG_PCI=n (with -Werror-implicit-function-declaration):

<-- snip -->

CC drivers/base/dmapool.o
/home/bunk/linux/kernel-2.6/linux-2.6.18-rc5-mm1/drivers/base/dmapool.c: In function 'pool_alloc_page':
/home/bunk/linux/kernel-2.6/linux-2.6.18-rc5-mm1/drivers/base/dmapool.c:170: error: implicit declaration of function 'dma_alloc_coherent'
/home/bunk/linux/kernel-2.6/linux-2.6.18-rc5-mm1/drivers/base/dmapool.c:173: warning: assignment makes pointer from integer without a cast
/home/bunk/linux/kernel-2.6/linux-2.6.18-rc5-mm1/drivers/base/dmapool.c: In function 'pool_free_page':
/home/bunk/linux/kernel-2.6/linux-2.6.18-rc5-mm1/drivers/base/dmapool.c:208: error: implicit declaration of function 'dma_free_coherent'
make[3]: *** [drivers/base/dmapool.o] Error 1

<-- snip -->



"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed

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