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qemu: Get default hugepage size only if needed

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Fixes: 6864d8f740e2502dc7625bdf18ffde4465b14f69

Hugepages don't work in session mode but when building memory
part of command line we query for the default size anyway. This
breaks creating domains under session daemon. Query the page size
only if it's clear we need hugepages.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
This commit is contained in:
Michal Privoznik 2019-05-27 11:07:12 +02:00
parent 3f4d0341e4
commit c46bdad576
1 changed files with 1 additions and 1 deletions
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2
src/qemu/qemu_command.c
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@ -3573,7 +3573,7 @@ qemuBuildMemoryBackendProps(virJSONValuePtr *backendProps,
pagesize = 0;
needHugepage = false;
useHugepage = false;
} else if (pagesize == 0) {
} else if (useHugepage && pagesize == 0) {
if (qemuBuildMemoryGetDefaultPagesize(cfg, &pagesize) < 0)
goto cleanup;
}