The patch titled
Subject: docs: mm: fix the incorrect 'FileHugeMapped' field
has been added to the -mm mm-hotfixes-unstable branch. Its filename is
docs-mm-fix-the-incorrect-filehugemapped-field.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/docs-mm-fix-the-incorrect-filehugemapped-field.patch
This patch will later appear in the mm-hotfixes-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
Subject: docs: mm: fix the incorrect 'FileHugeMapped' field
Date: Tue, 17 Dec 2024 16:55:39 +0800
The '/proc/PID/smaps' does not have the 'FileHugeMapped' field to count
the file transparent huge pages, instead, the 'FilePmdMapped' field should
be used. Fix it.
Link: https://lkml.kernel.org/r/d520ce3aba2b03b088be30bece732426a939049a.1734425264.git.baolin.wang@xxxxxxxxxxxxxxxxx
Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
Acked-by: David Hildenbrand <david@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/admin-guide/mm/transhuge.rst | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/Documentation/admin-guide/mm/transhuge.rst~docs-mm-fix-the-incorrect-filehugemapped-field
+++ a/Documentation/admin-guide/mm/transhuge.rst
@@ -436,7 +436,7 @@ AnonHugePmdMapped).
The number of file transparent huge pages mapped to userspace is available
by reading ShmemPmdMapped and ShmemHugePages fields in ``/proc/meminfo``.
To identify what applications are mapping file transparent huge pages, it
-is necessary to read ``/proc/PID/smaps`` and count the FileHugeMapped fields
+is necessary to read ``/proc/PID/smaps`` and count the FilePmdMapped fields
for each mapping.
Note that reading the smaps file is expensive and reading it
_
Patches currently in -mm which might be from baolin.wang@xxxxxxxxxxxxxxxxx are
docs-mm-fix-the-incorrect-filehugemapped-field.patch
mm-factor-out-the-order-calculation-into-a-new-helper.patch
mm-shmem-change-shmem_huge_global_enabled-to-return-huge-order-bitmap.patch
mm-shmem-add-large-folio-support-for-tmpfs.patch
mm-shmem-add-a-kernel-command-line-to-change-the-default-huge-policy-for-tmpfs.patch
docs-tmpfs-drop-fadvise-from-the-documentation.patch
