Dongli Zhang 83ca259489 swiotlb: dump used and total slots when swiotlb buffer is full ... So far the kernel only prints the requested size if swiotlb buffer if full. It is not possible to know whether it is simply an out of buffer, or it is because swiotlb cannot allocate buffer with the requested size due to fragmentation. As 'io_tlb_used' is available since commit 71602fe6d4 ("swiotlb: add debugfs to track swiotlb buffer usage"), both 'io_tlb_used' and 'io_tlb_nslabs' are printed when swiotlb buffer is full. Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>		2019-04-10 12:53:22 -04:00
..
coherent.c	dma-mapping: remove a few unused exports	2019-01-04 09:03:17 +01:00
contiguous.c	dma-mapping: fix panic caused by passing empty cma command line argument	2018-09-20 09:01:08 +02:00
debug.c	dma-mapping: remove a few unused exports	2019-01-04 09:03:17 +01:00
direct.c	DMA mapping updates for Linux 4.21	2018-12-28 14:12:21 -08:00
dummy.c	dma-mapping: factor out dummy DMA ops	2018-12-13 21:06:12 +01:00
Kconfig	dma-mapping: always build the direct mapping code	2018-12-13 21:06:11 +01:00
Makefile	dma-mapping: factor out dummy DMA ops	2018-12-13 21:06:12 +01:00
mapping.c	dma-mapping: remove dmam_{declare,release}_coherent_memory	2019-01-04 09:03:17 +01:00
remap.c	dma-direct: fix DMA_ATTR_NO_KERNEL_MAPPING for remapped allocations	2019-01-05 08:28:29 +01:00
swiotlb.c	swiotlb: dump used and total slots when swiotlb buffer is full	2019-04-10 12:53:22 -04:00
virt.c	dma-mapping: zero memory returned from dma_alloc_*	2018-12-20 08:13:52 +01:00