diff options
Diffstat (limited to 'erts/doc/src/erts_alloc.xml')
| -rw-r--r-- | erts/doc/src/erts_alloc.xml | 22 |
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 |