Changeset 269808 in webkit

Timestamp:

Nov 13, 2020 5:09:38 PM (3 years ago)

Author:

Chris Dumez

Message:

[GPUProcess] Add basic low memory handling in the GPUProcess
​https://bugs.webkit.org/show_bug.cgi?id=218926
<rdar://problem/70300888>

Reviewed by Geoffrey Garen.

Add basic low memory handling in the GPUProcess. For now, the GPUProcess only calls
WTF::releaseFastMallocFreeMemory() on low memory warning.

• GPUProcess/GPUProcess.cpp:

(WebKit::GPUProcess::initializeGPUProcess):

Location:

trunk/Source/WebKit

Files:

• ChangeLog (modified) (1 diff)
• GPUProcess/GPUProcess.cpp (modified) (2 diffs)

trunk/Source/WebKit/ChangeLog

@@ +1 @@
+2020-11-13  Chris Dumez  <cdumez@apple.com>
+
+        [GPUProcess] Add basic low memory handling in the GPUProcess
+        https://bugs.webkit.org/show_bug.cgi?id=218926
+        <rdar://problem/70300888>
+
+        Reviewed by Geoffrey Garen.
+
+        Add basic low memory handling in the GPUProcess. For now, the GPUProcess only calls
+        WTF::releaseFastMallocFreeMemory() on low memory warning.
+
+        * GPUProcess/GPUProcess.cpp:
+        (WebKit::GPUProcess::initializeGPUProcess):
+
 2020-11-13  Kate Cheney  <katherine_cheney@apple.com>
 

trunk/Source/WebKit/GPUProcess/GPUProcess.cpp

@@ -46 +46 @@
 #include <wtf/Algorithms.h>
 #include <wtf/CallbackAggregator.h>
+#include <wtf/MemoryPressureHandler.h>
 #include <wtf/OptionSet.h>
 #include <wtf/ProcessPrivilege.h>
@@ -128 +129 @@
     WTF::Thread::setCurrentThreadIsUserInitiated();
     AtomString::init();
+
+    auto& memoryPressureHandler = MemoryPressureHandler::singleton();
+    memoryPressureHandler.setLowMemoryHandler([this] (Critical critical, Synchronous) {
+        lowMemoryHandler(critical);
+    });
+    memoryPressureHandler.install();
 
 #if PLATFORM(IOS_FAMILY) || ENABLE(ROUTING_ARBITRATION)