Changeset 241631 in webkit

Timestamp:

Feb 15, 2019 4:35:05 PM (5 years ago)

Author:

Chris Dumez

Message:

[PSON] Disable WebContent process cache on devices with less than 3GB of RAM
​https://bugs.webkit.org/show_bug.cgi?id=194726
<rdar://problem/48126255>

Reviewed by Geoffrey Garen.

• UIProcess/WebProcessCache.cpp:

(WebKit::WebProcessCache::updateCapacity):

Location:

trunk/Source/WebKit

Files:

• ChangeLog (modified) (1 diff)
• UIProcess/WebProcessCache.cpp (modified) (1 diff)

trunk/Source/WebKit/ChangeLog

@@ +1 @@
+2019-02-15  Chris Dumez  <cdumez@apple.com>
+
+        [PSON] Disable WebContent process cache on devices with less than 3GB of RAM
+        https://bugs.webkit.org/show_bug.cgi?id=194726
+        <rdar://problem/48126255>
+
+        Reviewed by Geoffrey Garen.
+
+        * UIProcess/WebProcessCache.cpp:
+        (WebKit::WebProcessCache::updateCapacity):
+
 2019-02-15  Andy Estes  <aestes@apple.com>
 

trunk/Source/WebKit/UIProcess/WebProcessCache.cpp

@@ -105 +105 @@
     } else {
         size_t memorySize = ramSize() / GB;
-
-        // Allow 4 processes in the cache per GB of RAM, up to 30 processes.
-        m_capacity = std::min<unsigned>(memorySize * 4, 30);
-        RELEASE_LOG(ProcessSwapping, "%p - WebProcessCache::updateCapacity: Cache has a capacity of %u processes", this, capacity());
+        if (memorySize < 3) {
+            m_capacity = 0;
+            RELEASE_LOG(ProcessSwapping, "%p - WebProcessCache::updateCapacity: Cache is disabled because device does not have enough RAM", this);
+        } else {
+            // Allow 4 processes in the cache per GB of RAM, up to 30 processes.
+            m_capacity = std::min<unsigned>(memorySize * 4, 30);
+            RELEASE_LOG(ProcessSwapping, "%p - WebProcessCache::updateCapacity: Cache has a capacity of %u processes", this, capacity());
+        }
     }