From efd54c4adfd9dd98a93d6681d34d14b1a7b92b05 Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Mon, 25 May 2020 13:30:28 +0200
Subject: [PATCH] proc.5: Note kernel version that removed /proc/PID/smaps
 VmFlags "nl" flag

Kernel commit 1da4b35b001481df99a6dcab12d5d39a876f7056

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
---
 man5/proc.5 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/man5/proc.5 b/man5/proc.5
index 2a9154af2..9d5eff9bd 100644
--- a/man5/proc.5
+++ b/man5/proc.5
@@ -2018,7 +2018,7 @@ encoded using the following two-letter codes:
     ac  - area is accountable
     nr  - swap space is not reserved for the area
     ht  - area uses huge tlb pages
-    nl  - non-linear mapping
+    nl  - non-linear mapping (removed in Linux 4.0)
     ar  - architecture specific flag
     wf  - wipe on fork (since Linux 4.14)
     dd  - do not include area into core dump