diff options
| -rw-r--r-- | libgo/runtime/malloc.goc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libgo/runtime/malloc.goc b/libgo/runtime/malloc.goc index f8d4327..66f5bda 100644 --- a/libgo/runtime/malloc.goc +++ b/libgo/runtime/malloc.goc @@ -358,6 +358,8 @@ runtime_mallocinit(void) // away from the running binary image and then round up // to a MB boundary. want = (byte*)(((uintptr)end + (1<<18) + (1<<20) - 1)&~((1<<20)-1)); + if(0xffffffff - (uintptr)want <= bitmap_size + arena_size) + want = 0; p = runtime_SysReserve(want, bitmap_size + arena_size); if(p == nil) runtime_throw("runtime: cannot reserve arena virtual address space"); |