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| author | Sverker Eriksson <[email protected]> | 2016-03-08 19:31:41 +0100 |
|---|---|---|
| committer | Sverker Eriksson <[email protected]> | 2016-03-08 19:31:41 +0100 |
| commit | 5750206a0dc33e13913efef73e171e121c082635 (patch) | |
| tree | d55ec7efb50e088e4a0719e8b904f756fd71b124 /erts/doc | |
| parent | c785c540b41db4e2676c0dd462971590779761cf (diff) | |
| parent | 8e2a21f1df1140867d0b074ec7a86610d1e1b51e (diff) | |
| download | otp-5750206a0dc33e13913efef73e171e121c082635.tar.gz otp-5750206a0dc33e13913efef73e171e121c082635.tar.bz2 otp-5750206a0dc33e13913efef73e171e121c082635.zip | |
Merge branch 'sverk/literal-alloc-polish'
* sverk/literal-alloc-polish:
erts: Add emulator flag +MIscs for literal super carrier size
erts: Refactor init of erts_literal_mmapper
erts: Make literal_alloc documented and configurable
Diffstat (limited to 'erts/doc')
| -rw-r--r-- | erts/doc/src/erts_alloc.xml | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/erts/doc/src/erts_alloc.xml b/erts/doc/src/erts_alloc.xml index 15b78ffa10..0965f9b49c 100644 --- a/erts/doc/src/erts_alloc.xml +++ b/erts/doc/src/erts_alloc.xml @@ -52,6 +52,8 @@ <item>Allocator used for ETS data.</item> <tag><c>driver_alloc</c></tag> <item>Allocator used for driver data.</item> + <tag><c>literal_alloc</c></tag> + <item>Allocator used for constant terms in Erlang code.</item> <tag><c>sl_alloc</c></tag> <item>Allocator used for memory blocks that are expected to be short-lived.</item> @@ -77,7 +79,7 @@ instead of creating new segments. This in order to reduce the number of system calls made.</item> </taglist> - <p><c>sys_alloc</c> is always enabled and + <p><c>sys_alloc</c> and <c>literal_alloc</c> are always enabled and cannot be disabled. <c>mseg_alloc</c> is always enabled if it is available and an allocator that uses it is enabled. All other allocators can be <seealso marker="#M_e">enabled or disabled</seealso>. @@ -246,6 +248,7 @@ the currently present allocators:</p> <list type="bulleted"> <item><c>B: binary_alloc</c></item> + <item><c>I: literal_alloc</c></item> <item><c>D: std_alloc</c></item> <item><c>E: ets_alloc</c></item> <item><c>F: fix_alloc</c></item> @@ -563,6 +566,16 @@ set to <c>false</c>, <c>sys_alloc</c> carriers will never be created by allocators using the <c>alloc_util</c> framework.</item> </taglist> + <p>The following flag is special for <c>literal_alloc</c>:</p> + <taglist> + <tag><marker id="MIscs"/><c><![CDATA[+MIscs <size in MB>]]></c></tag> + <item> + <c>literal_alloc</c> super carrier size (in MB). The amount of + <em>virtual</em> address space reserved for literal terms in + Erlang code on 64-bit architectures. The default is 1024 (1GB) + and is usually sufficient. The flag is ignored on 32-bit + architectures.</item> + </taglist> <p>Instrumentation flags:</p> <taglist> <tag><marker id="Mim"/><c>+Mim true|false</c></tag> |