Reviewers: Mads Ager,
Description:
Flush watermarks after compacting map space on mark-sweep collection.
MapCompact does not use MC-allocation routines so watermarks are not updated
automatically and might become inconsistent.
BUG=http://crbug.com/59688
Please review this at http://codereview.chromium.org/6588007/
SVN Base: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files:
M src/spaces.h
Index: src/spaces.h
diff --git a/src/spaces.h b/src/spaces.h
index
4f2d07b0c8176118fca2722d135e6da097a50b34..6165255fd47a27c89b8db68325f38e404edbb94d
100644
--- a/src/spaces.h
+++ b/src/spaces.h
@@ -2121,6 +2121,12 @@ class MapSpace : public FixedSpace {
accounting_stats_.DeallocateBytes(accounting_stats_.Size());
accounting_stats_.AllocateBytes(new_size);
+ // Flush allocation watermarks.
+ for (Page* p = first_page_; p != top_page; p = p->next_page()) {
+ p->SetAllocationWatermark(p->AllocationTop());
+ }
+ top_page->SetAllocationWatermark(new_top);
+
#ifdef DEBUG
if (FLAG_enable_slow_asserts) {
intptr_t actual_size = 0;
--
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