From e526cb32336afc4feb4b92665d31ccc2af3e741c Mon Sep 17 00:00:00 2001
From: Rickard Green <rickard@erlang.org>
Date: Tue, 5 Nov 2013 17:00:38 +0100
Subject: Replace the +MMscmgc switch with +MMscrfsd

Replaced the +MMscmgc switch with the +MMscrfsd switch. The old switch
didn't reflect what it controlled.
---
 erts/doc/src/erts_alloc.xml | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

(limited to 'erts/doc')

diff --git a/erts/doc/src/erts_alloc.xml b/erts/doc/src/erts_alloc.xml
index 70029dbeab..8f5e8cd10b 100644
--- a/erts/doc/src/erts_alloc.xml
+++ b/erts/doc/src/erts_alloc.xml
@@ -271,15 +271,6 @@
        memory segment cache is not reused if its size exceeds the
        requested size with more than relative max cache bad fit
        percent of the requested size. Default value is 20.</item>
-      <tag><marker id="MMscmgc"><c><![CDATA[+MMscmgc <amount>]]></c></marker></tag>
-      <item>
-	Set <seealso marker="#MMscs">super carrier</seealso> max guaranteed
-	no of carriers. This parameter defaults to <c>65536</c>. This
-	parameter determines an amount of pre-allocated structures that is
-	needed in order to keep track of different areas in the super carrier.
-	When the system runs out of such structures it may crash due to an
-	out of memory condition.
-      </item>
       <tag><marker id="MMsco"><c><![CDATA[+MMsco true|false]]></c></marker></tag>
       <item>
 	Set <seealso marker="#MMscs">super carrier</seealso> only flag. This
@@ -295,6 +286,19 @@
 	disabled on halfword heap systems. This flag will be
 	ignored on halfword heap systems.
       </item>
+      <tag><marker id="MMscrfsd"><c><![CDATA[+MMscrfsd <amount>]]></c></marker></tag>
+      <item>
+	Set <seealso marker="#MMscs">super carrier</seealso> reserved
+	free segment descriptors. This parameter defaults to <c>65536</c>.
+	This parameter determines the amount of memory to reserve for
+	free segment descriptors used by the super carrier. If the system
+	runs out of reserved memory for free segment descriptors, other
+	memory will be used. This may however cause fragmentation issues,
+	so you want to ensure that this	never happens. The maximum amount
+	of free segment descriptors used can be retrieved from the
+	<c>erts_mmap</c> tuple part of the result from calling
+	<seealso marker="erts:erlang#system_info_allocator_tuple">erlang:system_info({allocator, mseg_alloc})</seealso>.
+      </item>
       <tag><marker id="MMscrpm"><c><![CDATA[+MMscrpm true|false]]></c></marker></tag>
       <item>
 	Set <seealso marker="#MMscs">super carrier</seealso> reserve physical
-- 
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