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comparison src/share/vm/gc_interface/collectedHeap.cpp @ 1548:15190cbcabe9

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6953483: Typo related to ReduceInitialCardMarks leaves concurrent collectors vulnerable to heap corruption Summary: Corrected mis-spelling of COMPILER2 in #ifdef, which could cause heap corruption in CMS due to precleaning when +ReduceInitialCardMarks. Thanks to ChenGuang Sun <suncg03@gmail.com> for bringing this typo to our attention. Reviewed-by: tonyp, jmasa, jcoomes, kvn
author ysr
date Wed, 19 May 2010 10:37:05 -0700
parents 34fb2662f6c2
children 1634cec09505
comparison
equal deleted inserted replaced
1547:fb1a39993f69 1548:15190cbcabe9
63 } 63 }
64 64
65 void CollectedHeap::pre_initialize() { 65 void CollectedHeap::pre_initialize() {
66 // Used for ReduceInitialCardMarks (when COMPILER2 is used); 66 // Used for ReduceInitialCardMarks (when COMPILER2 is used);
67 // otherwise remains unused. 67 // otherwise remains unused.
68 #ifdef COMPLER2 68 #ifdef COMPILER2
69 _defer_initial_card_mark = ReduceInitialCardMarks && can_elide_tlab_store_barriers() 69 _defer_initial_card_mark = ReduceInitialCardMarks && can_elide_tlab_store_barriers()
70 && (DeferInitialCardMark || card_mark_must_follow_store()); 70 && (DeferInitialCardMark || card_mark_must_follow_store());
71 #else 71 #else
72 assert(_defer_initial_card_mark == false, "Who would set it?"); 72 assert(_defer_initial_card_mark == false, "Who would set it?");
73 #endif 73 #endif