On Fri, Apr 22, 2016 at 01:50:04AM +0000, Kuninori Morimoto wrote: > > From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> > > Current rcar_dmac_desc_put() is using list_add_tail() in order to > push used descriptor to list of free descriptors, and next DMA transfer > try to reuse it from this list. But because it is using *_tail(), > this reuse effect can't be obtained without using all of them. > For a longer-term solution, we should allocate hardware descriptors > using GFP_KERNEL instead of GFP_NOWAIT, but it is difficult today. > This patch uses list_add() instead of list_add_tail() for short-term > solution. Applied, thanks -- ~Vinod -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
