diff options
| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2016-11-14 13:57:03 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2016-11-23 16:02:23 +0100 |
| commit | e1231b0e487caea77d3dffeb737cb25bd3595c5b (patch) | |
| tree | 0e42dd4c92929b186345975d3a91ff25c3a24153 /arch/s390/Kconfig | |
| parent | 1e16b09666baaf2919f991064237961ca766e394 (diff) | |
| download | linux-e1231b0e487caea77d3dffeb737cb25bd3595c5b.tar.bz2 | |
s390: add cma support
In order to make the cma infrastructure usable we need to add a small
architecture backend which calls dma_contiguous_reserve.
Otherwise we would end up with the cma allocator enabled, but no pool
where memory can be allocated from.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/Kconfig')
| -rw-r--r-- | arch/s390/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index a159dfc27b76..2d05efa31df3 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -136,6 +136,7 @@ config S390 select HAVE_CMPXCHG_LOCAL select HAVE_DEBUG_KMEMLEAK select HAVE_DMA_API_DEBUG + select HAVE_DMA_CONTIGUOUS select HAVE_DYNAMIC_FTRACE select HAVE_DYNAMIC_FTRACE_WITH_REGS select HAVE_EFFICIENT_UNALIGNED_ACCESS |