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-rw-r--r--erts/doc/src/erlang.xml6
-rw-r--r--erts/doc/src/erts_alloc.xml7
2 files changed, 10 insertions, 3 deletions
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml
index dabfe3f5ad..bff544100f 100644
--- a/erts/doc/src/erlang.xml
+++ b/erts/doc/src/erlang.xml
@@ -5400,7 +5400,11 @@ ok
As of erts version 5.6.1 the return value is a list
of <c>{instance, InstanceNo, InstanceInfo}</c> tuples
where <c>InstanceInfo</c> contains information about
- a specific instance of the allocator.
+ a specific instance of the allocator. As of erts version
+ 5.10.4 the returned list when calling
+ <c>erlang:system_info({allocator, mseg_alloc})</c> also
+ include an <c>{erts_mmap, _}</c> tuple as one element
+ in the list.
If <c><anno>Alloc</anno></c> is not a recognized allocator,
<c>undefined</c> is returned. If <c><anno>Alloc</anno></c> is disabled,
<c>false</c> is returned.</p>
diff --git a/erts/doc/src/erts_alloc.xml b/erts/doc/src/erts_alloc.xml
index d69fdae5b3..fffa9f594c 100644
--- a/erts/doc/src/erts_alloc.xml
+++ b/erts/doc/src/erts_alloc.xml
@@ -332,8 +332,11 @@
Set super carrier size (in MB). The super carrier size defaults to
zero; i.e, the super carrier is by default disabled. The super
carrier is a large continuous area in the virtual address space.
- The system will always try to create new carriers in the super
- carrier.
+ <c>mseg_alloc</c> will always try to create new carriers in the super
+ carrier if it exists. Note that the <c>alloc_util</c> framework may
+ create <c>sys_alloc</c> carriers. For more information on this, see the
+ documentation of the <seealso marker="#MMsco"><c>+MMsco</c></seealso>
+ flag.
<br/><br/>
<em>NOTE</em>: The super carrier cannot be enabled nor
disabled on halfword heap systems. This flag will be