| commit | 504a918e6714b551b7b39940dbab32610fafa1fe | [log] [tgz] |
|---|---|---|
| author | Takashi Iwai <tiwai@suse.de> | Sun Apr 15 11:08:07 2018 +0200 |
| committer | Christoph Hellwig <hch@lst.de> | Mon Apr 23 14:43:27 2018 +0200 |
| tree | 1354fe047d8f5bd3f27f1567683e94de8252c691 | |
| parent | 6d08b06e67cd117f6992c46611dfb4ce267cd71e [diff] |
dma-direct: don't retry allocation for no-op GFP_DMA
When an allocation with lower dma_coherent mask fails, dma_direct_alloc()
retries the allocation with GFP_DMA. But, this is useless for
architectures that hav no ZONE_DMA.
Fix it by adding the check of CONFIG_ZONE_DMA before retrying the
allocation.
Fixes: 95f183916d4b ("dma-direct: retry allocations using GFP_DMA for small masks")
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>