Changeset 197157 in webkit

Timestamp:

Feb 25, 2016 9:01:25 PM (8 years ago)

Author:

akling@apple.com

Message:

[iOS] Enable PageCache backing store clearing optimization for WebKit2.
<​https://webkit.org/b/154712>

Reviewed by Anders Carlsson.

We had an optimization for iOS where we'd tear down the compositing tree for
pages in the page cache, to save memory, but we were only enabling it when
instantiating a WebKit1 web view.

This patch enables the optimization for WebKit2 as well.

• WebProcess/WebProcess.cpp:

(WebKit::WebProcess::WebProcess):

Location:

trunk/Source/WebKit2

Files:

• ChangeLog (modified) (1 diff)
• WebProcess/WebProcess.cpp (modified) (1 diff)

trunk/Source/WebKit2/ChangeLog

@@ +1 @@
+2016-02-25  Andreas Kling  <akling@apple.com>
+
+        [iOS] Enable PageCache backing store clearing optimization for WebKit2.
+        <https://webkit.org/b/154712>
+
+        Reviewed by Anders Carlsson.
+
+        We had an optimization for iOS where we'd tear down the compositing tree for
+        pages in the page cache, to save memory, but we were only enabling it when
+        instantiating a WebKit1 web view.
+
+        This patch enables the optimization for WebKit2 as well.
+
+        * WebProcess/WebProcess.cpp:
+        (WebKit::WebProcess::WebProcess):
+
 2016-02-25  Ada Chan  <adachan@apple.com>
 

trunk/Source/WebKit2/WebProcess/WebProcess.cpp

@@ -195 +195 @@
     RuntimeEnabledFeatures::sharedFeatures().setWebkitIndexedDBEnabled(true);
 #endif
+
+#if PLATFORM(IOS)
+    PageCache::singleton().setShouldClearBackingStores(true);
+#endif
 }