Changeset 34028 in webkit for trunk/JavaScriptCore/wtf

Timestamp:

May 22, 2008, 11:40:38 AM (17 years ago)

Author:

[email protected]

Message:

<rdar://problem/5954233> Add method to release free memory from FastMalloc

Patch suggested by Mark Rowe. Rubber-stamped by Maciej.

• JavaScriptCore.exp: Export _releaseFastMallocFreeMemory.
• wtf/FastMalloc.cpp: (WTF::TCMallocStats::): Added releaseFastMallocFreeMemory() for both system malloc and FastMalloc code paths.
• wtf/FastMalloc.h: Define releaseFastMallocFreeMemory().

Location:

trunk/JavaScriptCore/wtf

Files:

• FastMalloc.cpp (modified) (2 diffs)
• FastMalloc.h (modified) (1 diff)

trunk/JavaScriptCore/wtf/FastMalloc.cpp

@@ -197 +197 @@
 } // namespace WTF
 
+extern "C" {
+void releaseFastMallocFreeMemory() { }
+}
+
 #if PLATFORM(DARWIN)
 // This symbol is present in the JavaScriptCore exports file even when FastMalloc is disabled.
@@ -3624 +3628 @@
 }
 
+extern "C" {
+void releaseFastMallocFreeMemory()
+{
+    SpinLockHolder h(&pageheap_lock);
+    pageheap->ReleaseFreePages();
+}
+}
+
 #endif
 

trunk/JavaScriptCore/wtf/FastMalloc.h

@@ -71 +71 @@
 WTF_PRIVATE_INLINE void* operator new[](size_t s) { return fastMalloc(s); }
 WTF_PRIVATE_INLINE void operator delete[](void* p) { fastFree(p); }
+
+extern "C" {
+void releaseFastMallocFreeMemory();
+}
 #endif