ZhangPeng 02e7656970 swiotlb: add debugfs to track swiotlb transient pool usage ...

Introduce a new debugfs interface io_tlb_transient_nslabs. The device
driver can create a new swiotlb transient memory pool once default
memory pool is full. To export the swiotlb transient memory pool usage
via debugfs would help the user estimate the size of transient swiotlb
memory pool or analyze device driver memory leak issue.

Signed-off-by: ZhangPeng <zhangpeng362@huawei.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

2024-02-28 05:31:38 -08:00

..

coherent.c

dma-mapping: clear dev->dma_mem to NULL after freeing it

2023-12-15 12:32:45 +01:00

contiguous.c

Revert "dma-contiguous: check for memory region overlap"

2023-09-08 05:58:32 -03:00

debug.c

dma-mapping fixes for Linux 6.8

2024-01-18 16:49:34 -08:00

debug.h

dma-debug: teach add_dma_entry() about DMA_ATTR_SKIP_CPU_SYNC

2021-10-18 12:46:45 +02:00

direct.c

dma-mapping: don't store redundant offsets

2023-12-15 12:32:42 +01:00

direct.h

dma-mapping: fix dma_addressing_limited() if dma_range_map can't cover all system RAM

2023-11-06 08:38:16 +01:00

dummy.c

dma-mapping: return error code from dma_dummy_map_sg()

2021-08-09 17:13:06 +02:00

Kconfig

dma-direct: add a CONFIG_ARCH_HAS_DMA_ALLOC symbol

2023-10-22 16:38:54 +02:00

Makefile

dma-mapping: remove CONFIG_DMA_REMAP

2022-03-03 14:00:57 +03:00

map_benchmark.c

dma-mapping: benchmark: remove MODULE_LICENSE in non-modules

2023-04-13 13:13:51 -07:00

mapping.c

dma-mapping: fix dma_addressing_limited() if dma_range_map can't cover all system RAM

2023-11-06 08:38:16 +01:00

ops_helpers.c

dma-mapping: handle vmalloc addresses in dma_common_{mmap,get_sgtable}

2021-07-16 11:30:26 +02:00

pool.c

mm, treewide: rename MAX_ORDER to MAX_PAGE_ORDER

2024-01-08 15:27:15 -08:00

remap.c

dma-remap: use kvmalloc_array/kvfree for larger dma memory remap

2023-06-07 15:06:28 +02:00

swiotlb.c

swiotlb: add debugfs to track swiotlb transient pool usage

2024-02-28 05:31:38 -08:00