Hi Andrew, After merging the akpm-current tree, today's linux-next build (arm defconfig) failed like this:
In file included from /scratch/sfr/next/arch/arm/mm/dma-mapping.c:29:0:
/scratch/sfr/next/include/linux/cma.h:8:28: error: 'CONFIG_CMA_AREAS'
undeclared here (not in a function)
#define MAX_CMA_AREAS (1 + CONFIG_CMA_AREAS)
^
/scratch/sfr/next/arch/arm/mm/dma-mapping.c:434:54: note: in expansion of macro
'MAX_CMA_AREAS'
static struct dma_contig_early_reserve dma_mmu_remap[MAX_CMA_AREAS] __initdata;
^
Caused by commit f495d267b2e0 ("CMA: generalize CMA reserved area
management functionality").
I have reverted that commit and these commits that depend on it
57d551e70a38 ("mm, CMA: clean-up log message")
d75ab106aef5 ("mm, CMA: change cma_declare_contiguous() to obey coding
convention")
f693a5424631 ("mm, CMA: clean-up CMA allocation error path")
e58e263e5254 ("PPC, KVM, CMA: use general CMA reserved area management
framework")
--
Cheers,
Stephen Rothwell s...@canb.auug.org.au
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