Mercurial > hg > graal-jvmci-8
diff src/share/vm/gc_implementation/g1/heapRegionRemSet.cpp @ 4020:5e5d4821bf07
7097516: G1: assert(0<= from_card && from_card<HeapRegion::CardsPerRegion) failed: Must be in range.
Summary: Introduced a version of is_in_reserved() that looks at _orig_end as opposed to _end.
Reviewed-by: tonyp, stefank
author | brutisso |
---|---|
date | Thu, 20 Oct 2011 10:21:35 +0200 |
parents | 65a8ff39a6da |
children | 720b6a76dd9d |
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--- a/src/share/vm/gc_implementation/g1/heapRegionRemSet.cpp Mon Oct 17 09:57:41 2011 -0700 +++ b/src/share/vm/gc_implementation/g1/heapRegionRemSet.cpp Thu Oct 20 10:21:35 2011 +0200 @@ -143,7 +143,11 @@ // If the test below fails, then this table was reused concurrently // with this operation. This is OK, since the old table was coarsened, // and adding a bit to the new table is never incorrect. - if (loc_hr->is_in_reserved(from)) { + // If the table used to belong to a continues humongous region and is + // now reused for the corresponding start humongous region, we need to + // make sure that we detect this. Thus, we call is_in_reserved_raw() + // instead of just is_in_reserved() here. + if (loc_hr->is_in_reserved_raw(from)) { size_t hw_offset = pointer_delta((HeapWord*)from, loc_hr->bottom()); CardIdx_t from_card = (CardIdx_t) hw_offset >> (CardTableModRefBS::card_shift - LogHeapWordSize);