forked from rpms/libvirt
35 lines
1.6 KiB
Diff
35 lines
1.6 KiB
Diff
From 20187d7bb3024537b1cc3cac1b16a835a29b905e Mon Sep 17 00:00:00 2001
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Message-Id: <20187d7bb3024537b1cc3cac1b16a835a29b905e@dist-git>
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From: Michal Privoznik <mprivozn@redhat.com>
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Date: Wed, 8 Mar 2023 11:53:37 +0100
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Subject: [PATCH] docs: Document memory allocation and emulator pinning
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limitation
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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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Reviewed-by: Kristina Hanicova <khanicov@redhat.com>
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Reviewed-by: Andrea Bolognani <abologna@redhat.com>
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(cherry picked from commit c4b176567b5000da1fe22ecaa9afe4b8ad4b6837)
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Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2185039
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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
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---
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docs/formatdomain.rst | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst
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index 8fc8aeb928..e7bad33cbb 100644
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--- a/docs/formatdomain.rst
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+++ b/docs/formatdomain.rst
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@@ -1107,7 +1107,9 @@ influence how virtual memory pages are backed by host pages.
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Using the optional ``mode`` attribute, specify when to allocate the memory by
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supplying either "immediate" or "ondemand". :since:`Since 8.2.0` it is
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possible to set the number of threads that hypervisor uses to allocate
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- memory via ``threads`` attribute.
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+ memory via ``threads`` attribute. To speed allocation process up, when
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+ pinning emulator thread it's recommended to include CPUs from desired NUMA
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+ nodes so that allocation threads can have their affinity set.
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``discard``
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When set and supported by hypervisor the memory content is discarded just
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before guest shuts down (or when DIMM module is unplugged). Please note that
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--
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2.40.0
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