diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/dma/pool.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/dma/pool.c b/kernel/dma/pool.c index c5da29ad010c..2b2fbb709242 100644 --- a/kernel/dma/pool.c +++ b/kernel/dma/pool.c @@ -277,15 +277,20 @@ struct page *dma_alloc_from_pool(struct device *dev, size_t size, { struct gen_pool *pool = NULL; struct page *page; + bool pool_found = false; while ((pool = dma_guess_pool(pool, gfp))) { + pool_found = true; page = __dma_alloc_from_pool(dev, size, pool, cpu_addr, phys_addr_ok); if (page) return page; } - WARN(1, "Failed to get suitable pool for %s\n", dev_name(dev)); + if (pool_found) + WARN(!(gfp & __GFP_NOWARN), "DMA pool exhausted for %s\n", dev_name(dev)); + else + WARN(1, "Failed to get suitable pool for %s\n", dev_name(dev)); return NULL; } |