[PATCH v2] qom.json: default the prealloc-threads to smp-cpus

[Zhenyu Zhang]

Since the amount of prealloc-threads to smp-cpus is
defaulted in hostmem, so sync this information.

Signed-off-by: Zhenyu Zhang <zhenyzha@redhat.com>

v1: https://www.mail-archive.com/qemu-devel@nongnu.org/msg919682.html

Changelog
=========
v2:
  * This property is available since 5.0.                     (Philippe)
---
 qapi/qom.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qapi/qom.json b/qapi/qom.json
index 87fcad2423..b2f6bceec7 100644
--- a/qapi/qom.json
+++ b/qapi/qom.json
@@ -576,7 +576,7 @@
 #
 # @prealloc: if true, preallocate memory (default: false)
 #
-# @prealloc-threads: number of CPU threads to use for prealloc (default: 1)
+# @prealloc-threads: number of CPU threads to use for prealloc (default: 
smp-cpus) (since 5.0)
 #
 # @prealloc-context: thread context to use for creation of preallocation 
threads
 #                    (default: none) (since 7.2)
-- 
2.31.1