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+Hugepages are not released after windows guest shutdown
+Description of problem:
+* Hugepages are not released after windows guest shutdown (tested with server 2019 and 2022), everything is ok with linux guests
+* Issue is present in both cases: shutdown is initiated by guest, and with the qemu monitor command ``system_shutdown``
+* If the guest is configured with 4G as memory size, hugepages not released may vary but in most cases, only 1G are not released
+* Host is a x86_64 linux system, with 1G hugepages only : kernel cmline contains ``default_hugepagesz=1G hugepagesz=1G hugepages=88``
+* I've done many tests with qemu components disabled (network, monitor, vnc), issue is still present with basic command line (launched as root) ``qemu-system-x86_64 -cpu host -enable-kvm -smp 4 -machine type=q35,accel=kvm -m 4G -mem-path /mnt/hugepages -drive id=drv0,file=win.qcow2 -nodefaults``
+* Same issue with args in command line, with or without prealloc:
+
+        -m 4G -mem-path /mnt/hugepages [-mem-prealloc]
+        -m 4G -machine memory-backend=mem0 -object memory-backend-memfd,id=mem0,size=4G,hugetlb=on,hugetlbsize=1G[,prealloc=on]
+Additional information:
+* Hugepages release process is audited with command ``cat /proc/meminfo``
+* I can't find any online documentation to help to troubleshoot used hugepages : articles suggest to audit /proc/[pid]/smaps, but here, issue is raised after qemu process terminates