linux-kernel - [PATCH] docs: mm: fix the incorrect 'FileHugeMapped' field

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Message-Id: <d520ce3aba2b03b088be30bece732426a939049a.1734425264.git.baolin.wang@linux.alibaba.com>
Date: Tue, 17 Dec 2024 16:55:39 +0800
From: Baolin Wang <baolin.wang@...ux.alibaba.com>
To: akpm@...ux-foundation.org
Cc: baolin.wang@...ux.alibaba.com,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] docs: mm: fix the incorrect 'FileHugeMapped' field

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.

Signed-off-by: Baolin Wang <baolin.wang@...ux.alibaba.com>
---
 Documentation/admin-guide/mm/transhuge.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/admin-guide/mm/transhuge.rst b/Documentation/admin-guide/mm/transhuge.rst
index 156a03af0a88..dff8d5985f0f 100644
--- a/Documentation/admin-guide/mm/transhuge.rst
+++ b/Documentation/admin-guide/mm/transhuge.rst
@@ -466,7 +466,7 @@ 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
-- 
2.39.3