Messages in this thread | | | From | "Sosnowski, Maciej" <> | Date | Mon, 14 Sep 2009 16:01:58 +0100 | Subject | RE: [PATCH 28/29] dmaengine: kill tx_list |
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Williams, Dan J wrote: > The tx_list attribute of struct dma_async_tx_descriptor is common to > most, but not all dma driver implementations. None of the upper level > code (dmaengine/async_tx) uses it, so allow drivers to implement it > locally if they need it. This saves sizeof(struct list_head) bytes for > drivers that do not manage descriptors with a linked list (e.g.: ioatdma > v2,3). > > Signed-off-by: Dan Williams <dan.j.williams@intel.com> > ---
Signed-off-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
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