diff options
Diffstat (limited to 'runtime/mem_map.cc')
| -rw-r--r-- | runtime/mem_map.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/runtime/mem_map.cc b/runtime/mem_map.cc index c75dffa63c..a0f389cb1e 100644 --- a/runtime/mem_map.cc +++ b/runtime/mem_map.cc @@ -192,7 +192,8 @@ bool MemMap::ProtectRegion(uint8_t* addr, size_t length, int prot) { * (The address must be page-aligned, the length doesn't need to be, * but we do need to ensure we cover the same range.) */ - uint8_t* alignAddr = (uint8_t*) ((uintptr_t) addr & ~(kPageSize-1)); + uint8_t* alignAddr = reinterpret_cast<uint8_t*>(RoundDown(reinterpret_cast<uintptr_t>(addr), + kPageSize)); size_t alignLength = length + (addr - alignAddr); if (mprotect(alignAddr, alignLength, prot) == 0) { |