From 8bb52a52548541e0bc2124e229b98405403bda4f Mon Sep 17 00:00:00 2001 From: Thomas Kaiser Date: Tue, 27 Feb 2018 13:59:01 +0100 Subject: [PATCH] Change DMA coherent pool size to 2MB Resolves several issues around UAS, crappy RAID0 performance included: https://forum.armbian.com/topic/6496-odroid-n1-not-a-review-yet/?page=2&tab=comments#comment-50108 --- arch/arm64/mm/dma-mapping.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c index 2b05653e81567b..2ad8515cd4dab6 100644 --- a/arch/arm64/mm/dma-mapping.c +++ b/arch/arm64/mm/dma-mapping.c @@ -32,7 +32,7 @@ static struct gen_pool *atomic_pool; -#define DEFAULT_DMA_COHERENT_POOL_SIZE SZ_256K +#define DEFAULT_DMA_COHERENT_POOL_SIZE SZ_2M static size_t atomic_pool_size __initdata = DEFAULT_DMA_COHERENT_POOL_SIZE; static int __init early_coherent_pool(char *p)