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| author | Bradley T. Hughes <bradley.hughes@nokia.com> | 2009-06-15 09:57:36 (GMT) |
|---|---|---|
| committer | Bradley T. Hughes <bradley.hughes@nokia.com> | 2009-06-15 09:57:36 (GMT) |
| commit | 336dfcef05cb63df0a6d550b59a4badc7a0f01c1 (patch) | |
| tree | a218ec97413e0c8ebc9600ac5db9b2adea485b32 /src/3rdparty/webkit/JavaScriptCore/interpreter/RegisterFile.cpp | |
| parent | e44d64510e019e5d3b379b704cfb824e0d7ccc9d (diff) | |
| download | Qt-336dfcef05cb63df0a6d550b59a4badc7a0f01c1.zip Qt-336dfcef05cb63df0a6d550b59a4badc7a0f01c1.tar.gz Qt-336dfcef05cb63df0a6d550b59a4badc7a0f01c1.tar.bz2 | |
Merge of master
Diffstat (limited to 'src/3rdparty/webkit/JavaScriptCore/interpreter/RegisterFile.cpp')
| -rw-r--r-- | src/3rdparty/webkit/JavaScriptCore/interpreter/RegisterFile.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/JavaScriptCore/interpreter/RegisterFile.cpp b/src/3rdparty/webkit/JavaScriptCore/interpreter/RegisterFile.cpp index 50698f5..cfcf1d3 100644 --- a/src/3rdparty/webkit/JavaScriptCore/interpreter/RegisterFile.cpp +++ b/src/3rdparty/webkit/JavaScriptCore/interpreter/RegisterFile.cpp @@ -42,4 +42,15 @@ RegisterFile::~RegisterFile() #endif } +void RegisterFile::releaseExcessCapacity() +{ +#if HAVE(MMAP) && HAVE(MADV_FREE) && !HAVE(VIRTUALALLOC) + while (madvise(m_start, (m_max - m_start) * sizeof(Register), MADV_FREE) == -1 && errno == EAGAIN) { } +#elif HAVE(VIRTUALALLOC) + VirtualFree(m_start, (m_max - m_start) * sizeof(Register), MEM_DECOMMIT); + m_commitEnd = m_start; +#endif + m_maxUsed = m_start; +} + } // namespace JSC |