Author: Gregor Wegberg <[email protected]>
Branch: gc-incminimark-pinning-countlimit
Changeset: r71853:69bd40f359e7
Date: 2014-05-29 19:00 +0200
http://bitbucket.org/pypy/pypy/changeset/69bd40f359e7/
Log: starting new branch to try out simple limit for pinned objects.
This idea is based on the implementation in gc-minimark-pinning
diff --git a/rpython/memory/gc/incminimark.py b/rpython/memory/gc/incminimark.py
--- a/rpython/memory/gc/incminimark.py
+++ b/rpython/memory/gc/incminimark.py
@@ -965,6 +965,8 @@
# Reason: It would be possible that the first caller unpins
# while the second caller thinks it's still pinned.
return False
+ if not self.should_pin(obj):
+ return False
self.header(obj).tid |= GCFLAG_PINNED
self.pinned_objects_in_nursery += 1
@@ -979,6 +981,8 @@
self.header(obj).tid &= ~GCFLAG_PINNED
self.pinned_objects_in_nursery -= 1
+ def should_pin(self, obj):
+ return True
def shrink_array(self, obj, smallerlength):
#
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