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| author |   Bart Van Assche <bart.vanassche@wdc.com> | 2017-08-17 13:13:35 -0700 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2017-08-18 08:45:29 -0600 |
| commit | a3db102def237c27c6f2a2a6a58b79b2f2d4e39f (patch) | |
| tree | 467397e6d63efea824b9222f2f96fdbdbb81f0ca /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | skd: Remove skd_device.in_flight (diff) | |
| download | linux-dev-a3db102def237c27c6f2a2a6a58b79b2f2d4e39f.tar.xz linux-dev-a3db102def237c27c6f2a2a6a58b79b2f2d4e39f.zip | |
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>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions