Mmap API tidying.

Establish more clear expectations for who is expected to page-align what and when.
2019-01-07 10:08:40 -08:00
parent 0826e32c9a
commit 0a2b0ee9b0
3 changed files with 40 additions and 62 deletions
--- a/lib/runtime/src/instance.rs
+++ b/lib/runtime/src/instance.rs
@@ -496,7 +496,7 @@ impl Instance {
            num_defined_globals: vmctx_globals.len() as u64,
        };

-        let mut contents_mmap = Mmap::with_size(
+        let mut contents_mmap = Mmap::with_at_least(
            mem::size_of::<InstanceContents>()
                .checked_add(cast::usize(offsets.size_of_vmctx()))
                .unwrap(),