linux-kernel - [PATCH] docs: proc: update VmFlags documentation in smaps

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Message-ID: <20250607153614.81914-1-wangfushuai@baidu.com>
Date: Sat, 7 Jun 2025 23:36:14 +0800
From: wangfushuai <wangfushuai@...du.com>
To: <corbet@....net>, <akpm@...ux-foundation.org>, <david@...hat.com>,
	<andrii@...nel.org>, <npache@...hat.com>, <catalin.marinas@....com>,
	<xu.xin16@....com.cn>
CC: <linux-kernel@...r.kernel.org>, <linux-fsdevel@...r.kernel.org>,
	<linux-doc@...r.kernel.org>, wangfushuai <wangfushuai@...du.com>
Subject: [PATCH] docs: proc: update VmFlags documentation in smaps

Remove outdated VM_DENYWRITE("dw") reference and add missing
VM_LOCKONFAULT("lf") and VM_UFFD_MINOR("ui") flags.

Signed-off-by: wangfushuai <wangfushuai@...du.com>
---
 Documentation/filesystems/proc.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst
index 2a17865dfe39..e48dabab2a4a 100644
--- a/Documentation/filesystems/proc.rst
+++ b/Documentation/filesystems/proc.rst
@@ -584,7 +584,6 @@ encoded manner. The codes are the following:
     ms    may share
     gd    stack segment growns down
     pf    pure PFN range
-    dw    disabled write to the mapped file
     lo    pages are locked in memory
     io    memory mapped I/O area
     sr    sequential read advise provided
@@ -607,8 +606,10 @@ encoded manner. The codes are the following:
     mt    arm64 MTE allocation tags are enabled
     um    userfaultfd missing tracking
     uw    userfaultfd wr-protect tracking
+    ui    userfaultfd minor fault
     ss    shadow/guarded control stack page
     sl    sealed
+    lf    lock on fault pages
     ==    =======================================
 
 Note that there is no guarantee that every flag and associated mnemonic will
-- 
2.36.1