From dbde44b528ed7646249e066001a600dbe1d6a196 Mon Sep 17 00:00:00 2001 From: Craig Small Date: Mon, 16 Jan 2023 17:29:36 +1100 Subject: [PATCH] doc: free.1 total memory doesn't include reserved memory Updated the definition of total, because its not *all* of the installed memory but close to it. References: procps-ng/procps#247 Signed-off-by: Craig Small --- man/free.1 | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/man/free.1 b/man/free.1 index a12e287e..66d9e0a6 100644 --- a/man/free.1 +++ b/man/free.1 @@ -2,7 +2,7 @@ .\" This page Copyright (C) 1993 Matt Welsh, mdw@sunsite.unc.edu. .\" Long options where added at April 15th, 2011. .\" Freely distributable under the terms of the GPL -.TH FREE 1 "2022-06-25" "procps-ng" "User Commands" +.TH FREE 1 "2023-01-16" "procps-ng" "User Commands" .SH NAME free \- Display amount of free and used memory in the system .SH SYNOPSIS @@ -16,7 +16,8 @@ information is gathered by parsing /proc/meminfo. The displayed columns are: .TP \fBtotal\fR -Total installed memory (MemTotal and SwapTotal in /proc/meminfo) +Total usable memory (MemTotal and SwapTotal in /proc/meminfo). This includes +the physical and swap memory minus a few reserved bits and kernel binary code. .TP \fBused\fR Used or unavailable memory (calculated as \fBtotal\fR - \fBavailable\fR)