vmbase: Initialize heap in rust_entry
Initialize the heap as we enter Rust so that any code that follows can
make use of alloc, preventing bugs such as aosp/2567870 where client
code used the heap before initializing it.
Test: TH
Change-Id: Ibe6629a22cd828d8b9c6418b91b5971dbbeb4c3d
diff --git a/vmbase/src/heap.rs b/vmbase/src/heap.rs
index a28a02c..08240b9 100644
--- a/vmbase/src/heap.rs
+++ b/vmbase/src/heap.rs
@@ -51,7 +51,7 @@
/// # Safety
///
/// Must be called no more than once.
-pub unsafe fn init() {
+pub(crate) unsafe fn init() {
// SAFETY: Nothing else accesses this memory, and we hand it over to the heap to manage and
// never touch it again. The heap is locked, so there cannot be any races.
let (start, size) = unsafe { (HEAP.as_mut_ptr() as usize, HEAP.len()) };