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Unified Diff: src/heap.cc

Issue 7041004: Revert 8133: Lower heap size limits on systems that are short (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 9 years, 6 months ago
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Index: src/heap.cc
===================================================================
--- src/heap.cc (revision 8209)
+++ src/heap.cc (working copy)
@@ -153,29 +153,6 @@
max_semispace_size_ = reserved_semispace_size_ = V8_MAX_SEMISPACE_SIZE;
#endif
- intptr_t max_virtual = OS::MaxVirtualMemory();
-
- if (max_virtual > 0) {
- intptr_t half = max_virtual >> 1;
- intptr_t quarter = max_virtual >> 2;
- // If we have limits on the amount of virtual memory we can use then we may
- // be forced to lower the allocation limits. We reserve one quarter of the
- // memory for young space and off-heap data. The rest is distributed as
- // described below.
- if (code_range_size_ > 0) {
- // Reserve a quarter of the memory for the code range. The old space
- // heap gets the remaining half. There is some unavoidable double
- // counting going on here since the heap size is measured in committed
- // virtual memory and the code range is only reserved virtual memory.
- code_range_size_ = Min(code_range_size_, quarter);
- max_old_generation_size_ = Min(max_old_generation_size_, half);
- } else {
- // Reserve three quarters of the memory for the old space heap including
- // the executable code.
- max_old_generation_size_ = Min(max_old_generation_size_, half + quarter);
- }
- }
-
memset(roots_, 0, sizeof(roots_[0]) * kRootListLength);
global_contexts_list_ = NULL;
mark_compact_collector_.heap_ = this;
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