[pypy-commit] pypy default: Document ef621d60ea13.

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: 
Changeset: r76714:d8bbbc39f7ad
Date: 2015-04-04 19:42 +0200
http://bitbucket.org/pypy/pypy/changeset/d8bbbc39f7ad/

Log:	Document ef621d60ea13.

diff --git a/pypy/doc/whatsnew-head.rst b/pypy/doc/whatsnew-head.rst
--- a/pypy/doc/whatsnew-head.rst
+++ b/pypy/doc/whatsnew-head.rst
@@ -5,6 +5,11 @@
 .. this is a revision shortly after release-2.5.1
 .. startrev: cb01edcb59414d9d93056e54ed060673d24e67c1
 
+Issue #2017: on non-Linux-x86 platforms, reduced the memory impact of
+creating a lot of greenlets/tasklets.  Particularly useful on Win32 and
+on ARM, where you used to get a MemoryError after only 2500-5000
+greenlets (the 32-bit address space is exhausted).
+
 .. branch: gc-incminimark-pinning-improve
 Object Pinning is now used in `bz2` and `rzlib` (therefore also affects
 Python's `zlib`). In case the data to compress/decompress is inside the nursery