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| author | Leonid Ravich <Leonid.Ravich@emc.com> | 2020-04-16 19:06:22 +0200 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-04-17 13:58:39 +0200 |
| commit | a02254f8a676f5fdb98ebeb6cc420a71e652574a (patch) | |
| tree | 3d4df882397a9c98da0c456412b36fcc41207024 /drivers/dma | |
| parent | dmaengine: ioat: fixing chunk sizing macros dependency (diff) | |
| download | linux-a02254f8a676f5fdb98ebeb6cc420a71e652574a.tar.xz linux-a02254f8a676f5fdb98ebeb6cc420a71e652574a.zip | |
dmaengine: ioat: Decreasing allocation chunk size 2M->512K
requreing kmalloc of 2M high chance to fail in
fragmented memory.
IOAT ring requires 64k * 64B memory
which will be achived by 512k * 8 allocation
instead of 2M * 2.
Acked-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Leonid Ravich <Leonid.Ravich@emc.com>
Link: https://lore.kernel.org/r/20200416170628.16196-2-leonid.ravich@dell.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/ioat/dma.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h index 5216c6b7c99e..e6b622e1ba92 100644 --- a/drivers/dma/ioat/dma.h +++ b/drivers/dma/ioat/dma.h @@ -83,7 +83,7 @@ struct ioatdma_device { #define IOAT_MAX_ORDER 16 #define IOAT_MAX_DESCS (1 << IOAT_MAX_ORDER) -#define IOAT_CHUNK_SIZE (SZ_2M) +#define IOAT_CHUNK_SIZE (SZ_512K) #define IOAT_DESCS_PER_CHUNK (IOAT_CHUNK_SIZE / IOAT_DESC_SZ) struct ioat_descs { |