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comparison src/share/vm/gc_implementation/g1/heapRegion.hpp @ 3986:65a8ff39a6da

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7095194: G1: HeapRegion::GrainBytes, GrainWords, and CardsPerRegion should be size_t Summary: Declare GrainBytes, GrainWords, and CardsPerRegion as size_t. Reviewed-by: jcoomes, tonyp, jmasa
author johnc
date Wed, 05 Oct 2011 08:44:10 -0700
parents 8229bd737950
children 5e5d4821bf07
comparison
equal deleted inserted replaced
3985:c63b928b212b 3986:65a8ff39a6da
344 // If "is_zeroed" is "true", the region "mr" can be assumed to contain zeros. 344 // If "is_zeroed" is "true", the region "mr" can be assumed to contain zeros.
345 HeapRegion(size_t hrs_index, 345 HeapRegion(size_t hrs_index,
346 G1BlockOffsetSharedArray* sharedOffsetArray, 346 G1BlockOffsetSharedArray* sharedOffsetArray,
347 MemRegion mr, bool is_zeroed); 347 MemRegion mr, bool is_zeroed);
348 348
349 static int LogOfHRGrainBytes; 349 static int LogOfHRGrainBytes;
350 static int LogOfHRGrainWords; 350 static int LogOfHRGrainWords;
351 // The normal type of these should be size_t. However, they used to 351
352 // be members of an enum before and they are assumed by the 352 static size_t GrainBytes;
353 // compilers to be ints. To avoid going and fixing all their uses, 353 static size_t GrainWords;
354 // I'm declaring them as ints. I'm not anticipating heap region 354 static size_t CardsPerRegion;
355 // sizes to reach anywhere near 2g, so using an int here is safe.
356 static int GrainBytes;
357 static int GrainWords;
358 static int CardsPerRegion;
359 355
360 static size_t align_up_to_region_byte_size(size_t sz) { 356 static size_t align_up_to_region_byte_size(size_t sz) {
361 return (sz + (size_t) GrainBytes - 1) & 357 return (sz + (size_t) GrainBytes - 1) &
362 ~((1 << (size_t) LogOfHRGrainBytes) - 1); 358 ~((1 << (size_t) LogOfHRGrainBytes) - 1);
363 } 359 }