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comparison src/share/vm/utilities/globalDefinitions.hpp @ 13058:3aee6bc29547

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8026852: Use restricted_align_down in collector policy code Summary: Moved restricted_align_down to globalDefinitions and renamed it align_size_down_bounded Reviewed-by: stefank, mgerdin, tschatzl
author jwilhelm
date Mon, 21 Oct 2013 18:52:13 +0200
parents aa6f2ea19d8f
children 610be0309a79
comparison
equal deleted inserted replaced
13057:4288e54fd145 13058:3aee6bc29547
454 return align_size_up(offset, HeapWordsPerLong); 454 return align_size_up(offset, HeapWordsPerLong);
455 } 455 }
456 456
457 inline void* align_pointer_up(const void* addr, size_t size) { 457 inline void* align_pointer_up(const void* addr, size_t size) {
458 return (void*) align_size_up_((uintptr_t)addr, size); 458 return (void*) align_size_up_((uintptr_t)addr, size);
459 }
460
461 // Align down with a lower bound. If the aligning results in 0, return 'alignment'.
462
463 inline size_t align_size_down_bounded(size_t size, size_t alignment) {
464 size_t aligned_size = align_size_down_(size, alignment);
465 return aligned_size > 0 ? aligned_size : alignment;
459 } 466 }
460 467
461 // Clamp an address to be within a specific page 468 // Clamp an address to be within a specific page
462 // 1. If addr is on the page it is returned as is 469 // 1. If addr is on the page it is returned as is
463 // 2. If addr is above the page_address the start of the *next* page will be returned 470 // 2. If addr is above the page_address the start of the *next* page will be returned