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