From 0fb68ef1f8c7f44c6f7edc1cc461d2b598b96fd9 Mon Sep 17 00:00:00 2001
From: Sverker Eriksson <sverker@erlang.org>
Date: Tue, 4 Dec 2012 17:57:51 +0100
Subject: erts: Set super alignment (256kb) and limits for sbct (8Mb) and lmbcs
 (128Mb)

---
 erts/doc/src/erts_alloc.xml | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'erts/doc/src')

diff --git a/erts/doc/src/erts_alloc.xml b/erts/doc/src/erts_alloc.xml
index ec5e7d9b74..87d6682328 100644
--- a/erts/doc/src/erts_alloc.xml
+++ b/erts/doc/src/erts_alloc.xml
@@ -341,7 +341,8 @@
        Largest (<c>mseg_alloc</c>) multiblock carrier size (in
        kilobytes).  See <seealso marker="#mseg_mbc_sizes">the description
        on how sizes for mseg_alloc multiblock carriers are decided</seealso>
-       in "the <c>alloc_util</c> framework" section.</item>
+       in "the <c>alloc_util</c> framework" section. On 32-bit Unix style OS
+       this limit can not be set higher than 128 megabyte.</item>
       <tag><marker id="M_mbcgs"><c><![CDATA[+M<S>mbcgs <ratio>]]></c></marker></tag>
       <item>
        (<c>mseg_alloc</c>) multiblock carrier growth stages. See
@@ -413,7 +414,8 @@
        Singleblock carrier threshold. Blocks larger than this
        threshold will be placed in singleblock carriers. Blocks
        smaller than this threshold will be placed in multiblock
-       carriers.</item>
+       carriers. On 32-bit Unix style OS this threshold can not be set higher
+       than 8 megabytes.</item>
       <tag><marker id="M_sbmbcs"><c><![CDATA[+M<S>sbmbcs <size>]]></c></marker></tag>
       <item>
 	Small block multiblock carrier size (in bytes). Memory blocks smaller
-- 
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