Commit 0bfd4586 authored by Nico Pache's avatar Nico Pache Committed by Andrew Morton
Browse files

MM documentation: add "Unaccepted" meminfo entry 

Commit dcdfdd40 ("mm: Add support for unaccepted memory") added a
entry to meminfo but did not document it in the proc.rst file.

This counter tracks the amount of "Unaccepted" guest memory for some
Virtual Machine platforms, such as Intel TDX or AMD SEV-SNP.

Add the missing entry in the documentation.

Link: https://lkml.kernel.org/r/20250317230403.79632-1-npache@redhat.com


Signed-off-by: default avatarNico Pache <npache@redhat.com>
Acked-by: default avatarKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: default avatarDavid Hildenbrand <david@redhat.com>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Jeff Xu <jeffxu@chromium.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: xu xin <xu.xin16@zte.com.cn>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent d8a866c7

Documentation/filesystems/proc.rst

+3 −0
Original line number Diff line number Diff line
@@ -1081,6 +1081,7 @@ Example output. You may not have all of these fields. 
    FilePmdMapped:         0 kB

    CmaTotal:              0 kB

    CmaFree:               0 kB

    Unaccepted:            0 kB

    Balloon:               0 kB

    HugePages_Total:       0

    HugePages_Free:        0
@@ -1256,6 +1257,8 @@ CmaTotal 
              Memory reserved for the Contiguous Memory Allocator (CMA)

CmaFree

              Free remaining memory in the CMA reserves

Unaccepted

              Memory that has not been accepted by the guest

Balloon

              Memory returned to Host by VM Balloon Drivers

HugePages_Total, HugePages_Free, HugePages_Rsvd, HugePages_Surp, Hugepagesize, Hugetlb