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| author | Dimitry Ivanov <dimitry@google.com> | 2016-01-21 10:55:40 -0800 |
|---|---|---|
| committer | Dimitry Ivanov <dimitry@google.com> | 2016-01-21 14:28:33 -0800 |
| commit | 3edc5c41bbee7cf608a781e7056599f32ca1949c (patch) | |
| tree | 88b26c5a450fb4548479c109a68253e7a41c07e8 /linker/linker_allocator.cpp | |
| parent | 8d6e19408cfdbd73ba7e5c9e5b8716d9dad8dcf9 (diff) | |
linker: align allocated blocks to 16 bytes
C/C++ requires the result of malloc/new to be
aligned for any primitive type.
Change-Id: I715b7679e738f34b3b409993fb3ef242e1321b7f
Diffstat (limited to 'linker/linker_allocator.cpp')
| -rw-r--r-- | linker/linker_allocator.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/linker/linker_allocator.cpp b/linker/linker_allocator.cpp index 1b16cf12c..76ec97005 100644 --- a/linker/linker_allocator.cpp +++ b/linker/linker_allocator.cpp @@ -189,6 +189,8 @@ void LinkerSmallObjectAllocator::create_page_record(void* page_addr, size_t free } void LinkerSmallObjectAllocator::alloc_page() { + static_assert(sizeof(page_info) % 16 == 0, + "sizeof(page_info) is not multiple of 16"); void* map_ptr = mmap(nullptr, PAGE_SIZE, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); if (map_ptr == MAP_FAILED) { |