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dpdk: Use --in-memory by default.

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If anonymous memory mapping is supported by the kernel, it's better
to run OVS entirely in memory rather than creating shared data
structures. OVS doesn't work in multi-process mode, so there is no need
to litter a filesystem.

Reported-at: https://bugzilla.redhat.com/show_bug.cgi?id=1949849
Acked-by: David Marchand <david.marchand@redhat.com>
Acked-by: Ian Stokes <ian.stokes@intel.com>
Signed-off-by: Rosemarie O'Riorden <roriorde@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
This commit is contained in:
Rosemarie O'Riorden
2021-08-06 08:44:32 -04:00
committed by Ilya Maximets
parent b5d2dbdbb5
commit 269b927fd7
3 changed files with 14 additions and 0 deletions
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7
lib/dpdk.c
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@@ -405,6 +405,13 @@ dpdk_init__(const struct smap *ovs_other_config)
svec_add(&args, ovs_get_program_name());
construct_dpdk_args(ovs_other_config, &args);
#ifdef DPDK_IN_MEMORY_SUPPORTED
if (!args_contains(&args, "--in-memory") &&
!args_contains(&args, "--legacy-mem")) {
svec_add(&args, "--in-memory");
}
#endif
if (args_contains(&args, "-c") || args_contains(&args, "-l")) {
auto_determine = false;
}