| commit | a3db102def237c27c6f2a2a6a58b79b2f2d4e39f | [log] [tgz] |
|---|---|---|
| author | Bart Van Assche <bart.vanassche@wdc.com> | Thu Aug 17 13:13:35 2017 -0700 |
| committer | Jens Axboe <axboe@kernel.dk> | Fri Aug 18 08:45:29 2017 -0600 |
| tree | 467397e6d63efea824b9222f2f96fdbdbb81f0ca | |
| parent | d4d0f5fc3aee41b61fdef6e059ae803921c345cb [diff] |
skd: Reduce memory usage Every single coherent DMA memory buffer occupies at least one page. Reduce memory usage by switching from coherent buffers to streaming DMA for I/O requests (struct skd_fitmsg_context) and S/G-lists (struct fit_sg_descriptor[]). Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.de> Cc: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>