Webkit: don't crash because of unimplemented partial unmap From: Christian Prochaska --- .../Source/JavaScriptCore/wtf/OSAllocatorPosix.cpp | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/src/3rdparty/webkit/Source/JavaScriptCore/wtf/OSAllocatorPosix.cpp b/src/3rdparty/webkit/Source/JavaScriptCore/wtf/OSAllocatorPosix.cpp index 5ba5410..e17316f 100644 --- a/src/3rdparty/webkit/Source/JavaScriptCore/wtf/OSAllocatorPosix.cpp +++ b/src/3rdparty/webkit/Source/JavaScriptCore/wtf/OSAllocatorPosix.cpp @@ -150,9 +150,20 @@ void OSAllocator::decommit(void* address, size_t bytes) void OSAllocator::releaseDecommitted(void* address, size_t bytes) { +#if OS(GENODE) + /* + * 'releaseDecommitted()' sometimes gets called with a start address + * different than the one returned by 'mmap()' to release only a part of the + * allocated memory. This feature is currently not supported by Genode's + * 'munmap()' implementation, so we don't crash on purpose if the result of + * 'munmap()' is -1. + */ + munmap(address, bytes); +#else int result = munmap(address, bytes); if (result == -1) CRASH(); +#endif } } // namespace WTF