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src/hotspot/share/gc/g1/g1_globals.hpp
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rev 52487 : Worked on comments from Sangheon, Stefan
rev 52494 : adding jtreg tests, whitebox api.
@@ -300,8 +300,17 @@
\
diagnostic(bool, G1VerifyHeapRegionCodeRoots, false, \
"Verify the code root lists attached to each heap region.") \
\
develop(bool, G1VerifyBitmaps, false, \
- "Verifies the consistency of the marking bitmaps")
+ "Verifies the consistency of the marking bitmaps") \
+ \
+ experimental(uintx, G1YoungExpansionBufferPercent, 10, \
+ "When heterogenous heap is enabled by AllocateOldGenAt " \
+ "option, after every GC, young gen is re-sized which " \
+ "involves system calls to commit/uncommit memory. To " \
+ "reduce these calls, we keep a buffer of extra regions to " \
+ "absorb small changes in young gen length. This flag takes " \
+ "the buffer size as an percentage of young gen length") \
+ range(0, 100)
#endif // SHARE_VM_GC_G1_G1_GLOBALS_HPP
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