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authorRickard Green <[email protected]>2013-11-05 17:00:38 +0100
committerRickard Green <[email protected]>2013-11-05 23:07:26 +0100
commite526cb32336afc4feb4b92665d31ccc2af3e741c (patch)
treed40cfe9ae54298816645bcb9286ded63d5260c70 /erts/doc
parentbb59a8fcf1f6cf4162a2a97c13087843d1b9dac4 (diff)
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Replace the +MMscmgc switch with +MMscrfsd
Replaced the +MMscmgc switch with the +MMscrfsd switch. The old switch didn't reflect what it controlled.
Diffstat (limited to 'erts/doc')
-rw-r--r--erts/doc/src/erts_alloc.xml22
1 files changed, 13 insertions, 9 deletions
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