54   u32 *meta = MemToMeta(p);  in AllocBlock()  local
55   DCHECK_EQ(*meta, 0);  in AllocBlock()
56   *meta = idx | kFlagBlock;  in AllocBlock()
70   u32 *meta = MemToMeta(p);  in FreeRange()  local
72   if (end == meta)  in FreeRange()
74   for (; meta < end; meta++) {  in FreeRange()
75     u32 idx = *meta;  in FreeRange()
80     *meta = 0;  in FreeRange()
191   u32 *meta = MemToMeta(p);  in GetBlock()  local
192   u32 idx = *meta;  in GetBlock()
207   u32 *meta = MemToMeta(addr);  in GetSync()  local
208   u32 idx0 = *meta;  in GetSync()
226     if (UNLIKELY(*meta != idx0)) {  in GetSync()
227       idx0 = *meta;  in GetSync()
237     if (atomic_compare_exchange_strong((atomic_uint32_t*)meta, &idx0,  in GetSync()