The patch titled
Subject: Documentation: document Balloon Meminfo entry
has been added to the -mm mm-unstable branch. Its filename is
meminfo-add-a-per-node-counter-for-balloon-drivers-fix.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/meminfo-add-a-per-node-counter-for-balloon-drivers-fix.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
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------------------------------------------------------
From: Nico Pache <npache@xxxxxxxxxx>
Subject: Documentation: document Balloon Meminfo entry
Date: Mon, 17 Mar 2025 16:07:18 -0600
Add a Balloon entry to the Meminfo documention.
Link: https://lkml.kernel.org/r/a0315ccf-f244-460e-8643-fd7388724fe5@xxxxxxxxxx
Signed-off-by: Nico Pache <npache@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/filesystems/proc.rst | 3 +++
1 file changed, 3 insertions(+)
--- a/Documentation/filesystems/proc.rst~meminfo-add-a-per-node-counter-for-balloon-drivers-fix
+++ a/Documentation/filesystems/proc.rst
@@ -1081,6 +1081,7 @@ Example output. You may not have all of
FilePmdMapped: 0 kB
CmaTotal: 0 kB
CmaFree: 0 kB
+ Balloon: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
@@ -1255,6 +1256,8 @@ CmaTotal
Memory reserved for the Contiguous Memory Allocator (CMA)
CmaFree
Free remaining memory in the CMA reserves
+Balloon
+ Memory returned to Host by VM Balloon Drivers
HugePages_Total, HugePages_Free, HugePages_Rsvd, HugePages_Surp, Hugepagesize, Hugetlb
See Documentation/admin-guide/mm/hugetlbpage.rst.
DirectMap4k, DirectMap2M, DirectMap1G
_
Patches currently in -mm which might be from npache@xxxxxxxxxx are
meminfo-add-a-per-node-counter-for-balloon-drivers.patch
meminfo-add-a-per-node-counter-for-balloon-drivers-fix.patch
balloon_compaction-update-the-nr_balloon_pages-state.patch
hv_balloon-update-the-nr_balloon_pages-state.patch
xen-balloon-update-the-nr_balloon_pages-state.patch
documentation-add-unaccepted-meminfo-entry.patch
