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vmm: memory_manager: Make sure the hotplugged_size is up to date

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The amount of memory plugged in the virtio-mem region should always be
kept up to date in the hotplugged_size field from VirtioMemZone.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf 2021-09-22 14:46:04 +02:00 committed by Bo Chen
parent c4dc7a583d
commit 7bbcc0f849
1 changed files with 4 additions and 1 deletions
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5
vmm/src/memory_manager.rs
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@ -1314,11 +1314,14 @@ impl MemoryManager {
pub fn virtio_mem_resize(&mut self, id: &str, size: u64) -> Result<(), Error> {
if let Some(memory_zone) = self.memory_zones.get_mut(id) {
if let Some(virtio_mem_zone) = memory_zone.virtio_mem_zone() {
if let Some(virtio_mem_zone) = &mut memory_zone.virtio_mem_zone {
virtio_mem_zone
.resize_handler()
.work(size)
.map_err(Error::VirtioMemResizeFail)?;
// Keep the hotplugged_size up to date.
virtio_mem_zone.hotplugged_size = size;
} else {
error!("Failed resizing virtio-mem region: No virtio-mem handler");
return Err(Error::MissingVirtioMemHandler);