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<title>[187418] branches/safari-601.1-branch/Source/bmalloc</title>
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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/187418">187418</a></dd>
<dt>Author</dt> <dd>bshafiei@apple.com</dd>
<dt>Date</dt> <dd>2015-07-26 23:58:02 -0700 (Sun, 26 Jul 2015)</dd>
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<h3>Log Message</h3>
<pre>Merged <a href="http://trac.webkit.org/projects/webkit/changeset/187270">r187270</a>. rdar://problem/21971820</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branchessafari6011branchSourcebmallocChangeLog">branches/safari-601.1-branch/Source/bmalloc/ChangeLog</a></li>
<li><a href="#branchessafari6011branchSourcebmallocbmallocSegregatedFreeListh">branches/safari-601.1-branch/Source/bmalloc/bmalloc/SegregatedFreeList.h</a></li>
<li><a href="#branchessafari6011branchSourcebmallocbmallocSizesh">branches/safari-601.1-branch/Source/bmalloc/bmalloc/Sizes.h</a></li>
</ul>
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<h3>Diff</h3>
<a id="branchessafari6011branchSourcebmallocChangeLog"></a>
<div class="modfile"><h4>Modified: branches/safari-601.1-branch/Source/bmalloc/ChangeLog (187417 => 187418)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-601.1-branch/Source/bmalloc/ChangeLog        2015-07-27 06:57:11 UTC (rev 187417)
+++ branches/safari-601.1-branch/Source/bmalloc/ChangeLog        2015-07-27 06:58:02 UTC (rev 187418)
</span><span class="lines">@@ -1,3 +1,22 @@
</span><ins>+2015-07-26 Babak Shafiei <bshafiei@apple.com>
+
+ Merge r187270.
+
+ 2015-07-23 Geoffrey Garen <ggaren@apple.com>
+
+ bmalloc: Shrink the super chunk size (again)
+ https://bugs.webkit.org/show_bug.cgi?id=147240
+
+ Reviewed by Andreas Kling.
+
+ Shrinking to 8MB reduced VM exhaustion crashes but did not eliminate them.
+ Let's try 4MB.
+
+ (My previous comment was that the maximum fast object was 2MB. But it
+ was 4MB! Now it's 2MB for realsies.)
+
+ * bmalloc/Sizes.h:
+
</ins><span class="cx"> 2015-07-03 Dan Bernstein <mitz@apple.com>
</span><span class="cx">
</span><span class="cx"> [Xcode] Update some build settings as recommended by Xcode 7
</span></span></pre></div>
<a id="branchessafari6011branchSourcebmallocbmallocSegregatedFreeListh"></a>
<div class="modfile"><h4>Modified: branches/safari-601.1-branch/Source/bmalloc/bmalloc/SegregatedFreeList.h (187417 => 187418)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-601.1-branch/Source/bmalloc/bmalloc/SegregatedFreeList.h        2015-07-27 06:57:11 UTC (rev 187417)
+++ branches/safari-601.1-branch/Source/bmalloc/bmalloc/SegregatedFreeList.h        2015-07-27 06:58:02 UTC (rev 187418)
</span><span class="lines">@@ -60,7 +60,7 @@
</span><span class="cx"> FreeList& select(size_t);
</span><span class="cx">
</span><span class="cx"> Owner m_owner;
</span><del>- std::array<FreeList, 17> m_freeLists;
</del><ins>+ std::array<FreeList, 16> m_freeLists;
</ins><span class="cx"> };
</span><span class="cx">
</span><span class="cx"> } // namespace bmalloc
</span></span></pre></div>
<a id="branchessafari6011branchSourcebmallocbmallocSizesh"></a>
<div class="modfile"><h4>Modified: branches/safari-601.1-branch/Source/bmalloc/bmalloc/Sizes.h (187417 => 187418)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-601.1-branch/Source/bmalloc/bmalloc/Sizes.h        2015-07-27 06:57:11 UTC (rev 187417)
+++ branches/safari-601.1-branch/Source/bmalloc/bmalloc/Sizes.h        2015-07-27 06:58:02 UTC (rev 187418)
</span><span class="lines">@@ -53,7 +53,7 @@
</span><span class="cx"> #endif
</span><span class="cx"> static const size_t vmPageMask = ~(vmPageSize - 1);
</span><span class="cx">
</span><del>- static const size_t superChunkSize = 8 * MB;
</del><ins>+ static const size_t superChunkSize = 4 * MB;
</ins><span class="cx">
</span><span class="cx"> static const size_t smallMax = 256;
</span><span class="cx"> static const size_t smallLineSize = 256;
</span></span></pre>
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