[ovs-build] Passed: ovsrobot/ovs#2817 (series_188893 - 7000c71)

Travis CI builds at travis-ci.org
Sun Jul 12 07:16:43 UTC 2020

Build Update for ovsrobot/ovs

Build: #2817
Status: Passed

Duration: 1 hr, 28 mins, and 37 secs
Commit: 7000c71 (series_188893)
Author: Ross Lagerwall
Message: vswitchd: Pass MCL_ONFAULT to mlockall

mlockall locks thread stack pages into memory, even pages which have not
yet been demand-paged.  As vswitchd has a lot of threads and the default
stack size on x86_64 is 8 MiB, this consumes a lot of memory.  On two
systems I looked at, vswitchd used ~150 MiB of RSS when idle after

Use the new MCL_ONFAULT flag to only lock pages into memory once they
have been demand-paged in. This still satisfies the requirement that
vswitchd is not swapped out but frees up ~144 MiB of unswappable memory
(18 threads x 8 MiB).  After this, vswitchd uses ~6 MiB when idle after

Signed-off-by: Ross Lagerwall <ross.lagerwall at citrix.com>
Signed-off-by: 0-day Robot <robot at bytheb.org>

View the changeset: https://github.com/ovsrobot/ovs/commit/7000c71a5395

View the full build log and details: https://travis-ci.org/github/ovsrobot/ovs/builds/706851704?utm_medium=notification&utm_source=email


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