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| author | Christoph Hellwig <hch@lst.de> | 2021-02-05 11:18:40 +0100 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2021-02-20 10:13:32 -0500 |
| commit | b5d7ccb7aac3895c2138fe0980a109116ce15eff (patch) | |
| tree | fe02df46932b2008002b736da60bef8ef8b08295 /include/linux/swiotlb.h | |
| parent | 36950f2da1ea4cb683be174f6f581e25b2d33e71 (diff) | |
| download | lwn-b5d7ccb7aac3895c2138fe0980a109116ce15eff.tar.gz lwn-b5d7ccb7aac3895c2138fe0980a109116ce15eff.zip | |
swiotlb: add a IO_TLB_SIZE define
Add a new IO_TLB_SIZE define instead open coding it using
IO_TLB_SHIFT all over.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jianxiong Gao <jxgao@google.com>
Tested-by: Jianxiong Gao <jxgao@google.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'include/linux/swiotlb.h')
| -rw-r--r-- | include/linux/swiotlb.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h index d9c9fc9ca5d2..5857a937c637 100644 --- a/include/linux/swiotlb.h +++ b/include/linux/swiotlb.h @@ -29,6 +29,7 @@ enum swiotlb_force { * controllable. */ #define IO_TLB_SHIFT 11 +#define IO_TLB_SIZE (1 << IO_TLB_SHIFT) /* default to 64MB */ #define IO_TLB_DEFAULT_SIZE (64UL<<20) |