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* setup2.sgml: Clarify heap allocation.

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Christopher Faylor 2008-09-22 16:55:30 +00:00
parent 2c8f862a44
commit 4fb7bbb985
2 changed files with 11 additions and 8 deletions
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4
winsup/doc/ChangeLog
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@ -1,3 +1,7 @@
2008-09-22 Christopher Faylor <me+cygwin@cgf.cx>
* setup2.sgml: Clarify heap allocation.
2008-08-13 Corinna Vinschen <corinna@vinschen.de>
* pathnames.sgml: Move description for (cyg,not)exec mount options

15
winsup/doc/setup2.sgml
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@ -59,14 +59,13 @@ first starts. Most Cygwin applications do not make use of the
<sect1 id="setup-maxmem"><title>Changing Cygwin's Maximum Memory</title>
<para>
By default no Cygwin program can allocate more than 384 MB of memory
(program+data). You should not need to change this default in most
circumstances. However, if you need to use more real or virtual memory in
your machine you may add an entry in the either the
<literal>HKEY_LOCAL_MACHINE</literal> (to change the limit for all users) or
<literal>HKEY_CURRENT_USER</literal> (for just the current user) section of
the registry.
</para>
Cygwin's heap is extensible. However, it does start out at a fixed size
and attempts to extend it may run into memory which has been previously
allocated by Windows. In some cases, this problem can be solved by
adding an entry in the either the <literal>HKEY_LOCAL_MACHINE</literal>
(to change the limit for all users) or
<literal>HKEY_CURRENT_USER</literal> (for just the current user) section
of the registry. </para>
<para>
Add the <literal>DWORD</literal> value <literal>heap_chunk_in_mb</literal>