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-rw-r--r--erts/doc/src/erts_alloc.xml6
1 files changed, 4 insertions, 2 deletions
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