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| author |   Jens Axboe <axboe@fb.com> | 2014-09-19 08:04:53 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2014-09-22 11:55:23 -0600 |
| commit | 6b55e1f2d0a5e462e52678278ab749468f1db81c (patch) | |
| tree | 8d5c5d578cba71e51d11f2231f5528d0aa9dd7e0 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | blk-mq: avoid infinite recursion with the FUA flag (diff) | |
| download | linux-dev-6b55e1f2d0a5e462e52678278ab749468f1db81c.tar.xz linux-dev-6b55e1f2d0a5e462e52678278ab749468f1db81c.zip | |
blk-mq: fix potential oops on out-of-memory in __blk_mq_alloc_rq_maps()
__blk_mq_alloc_rq_maps() can be invoked multiple times, if we scale
back the queue depth if we are low on memory. So don't clear
set->tags when we fail, this is handled directly in
the parent function, blk_mq_alloc_tag_set().
Reported-by: Robert Elliott <Elliott@hp.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions