diff options
Diffstat (limited to 'src/share/vm/utilities/globalDefinitions.hpp')
| -rw-r--r-- | src/share/vm/utilities/globalDefinitions.hpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/share/vm/utilities/globalDefinitions.hpp b/src/share/vm/utilities/globalDefinitions.hpp index 2bf75fac7..e522a98d7 100644 --- a/src/share/vm/utilities/globalDefinitions.hpp +++ b/src/share/vm/utilities/globalDefinitions.hpp @@ -459,6 +459,13 @@ inline void* align_pointer_up(const void* addr, size_t size) { return (void*) align_size_up_((uintptr_t)addr, size); } +// Align down with a lower bound. If the aligning results in 0, return 'alignment'. + +inline size_t align_size_down_bounded(size_t size, size_t alignment) { + size_t aligned_size = align_size_down_(size, alignment); + return aligned_size > 0 ? aligned_size : alignment; +} + // Clamp an address to be within a specific page // 1. If addr is on the page it is returned as is // 2. If addr is above the page_address the start of the *next* page will be returned |