diff options
| -rw-r--r-- | arch/avr32/mm/dma-coherent.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/avr32/mm/dma-coherent.c b/arch/avr32/mm/dma-coherent.c index 177fea8f7b7..6d8c794c3b8 100644 --- a/arch/avr32/mm/dma-coherent.c +++ b/arch/avr32/mm/dma-coherent.c @@ -41,6 +41,13 @@ static struct page *__dma_alloc(struct device *dev, size_t size, struct page *page, *free, *end; int order; + /* Following is a work-around (a.k.a. hack) to prevent pages + * with __GFP_COMP being passed to split_page() which cannot + * handle them. The real problem is that this flag probably + * should be 0 on AVR32 as it is not supported on this + * platform--see CONFIG_HUGETLB_PAGE. */ + gfp &= ~(__GFP_COMP); + size = PAGE_ALIGN(size); order = get_order(size); |