Changeset 55483 in webkit for trunk/JavaScriptCore/wtf/TCSystemAlloc.cpp

Timestamp:

Mar 3, 2010, 4:22:16 PM (15 years ago)

Author:

[email protected]

Message:

Add virtual memory tags for TCMalloc and WebCore's purgeable buffers.

Reviewed by Geoff Garen.

JavaScriptCore:

• wtf/TCSystemAlloc.cpp:

(TryMmap): Use the VM tag.

• wtf/VMTags.h: Make use of VM_MEMORY_TCMALLOC and VM_MEMORY_WEBCORE_PURGEABLE_BUFFERS.

WebCore:

• platform/mac/PurgeableBufferMac.cpp:

(WebCore::PurgeableBuffer::create): Use the VM tag.

File:

• trunk/JavaScriptCore/wtf/TCSystemAlloc.cpp (modified) (2 diffs)

trunk/JavaScriptCore/wtf/TCSystemAlloc.cpp

@@ -39 +39 @@
 #include "TCSpinLock.h"
 #include "UnusedParam.h"
+#include "VMTags.h"
 
 #if HAVE(STDINT_H)
@@ -179 +180 @@
                       PROT_READ | PROT_WRITE,
                       MAP_PRIVATE|MAP_ANONYMOUS,
-                      -1, 0);
+                      VM_TAG_FOR_TCMALLOC_MEMORY, 0);
   if (result == reinterpret_cast<void*>(MAP_FAILED)) {
     mmap_failure = true;