(tvm-ffi) branch main updated: [MEMORY] Explicitly set padding to 0 (#77)

[junrushao]

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junrushao pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/tvm-ffi.git


The following commit(s) were added to refs/heads/main by this push:
     new f9179ec  [MEMORY] Explicitly set padding to 0 (#77)
f9179ec is described below

commit f9179ec21ed277c8964c7f2282f8bcc013ac286e
Author: Tianqi Chen <tqc...@users.noreply.github.com>
AuthorDate: Tue Sep 30 20:37:31 2025 -0400

    [MEMORY] Explicitly set padding to 0 (#77)
    
    This PR updates the memory module to explicitly set padding to 0.
    Although this part is unused, it is good to have determininstic memory.
---
 include/tvm/ffi/memory.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/tvm/ffi/memory.h b/include/tvm/ffi/memory.h
index 6d1a766..425dbf7 100644
--- a/include/tvm/ffi/memory.h
+++ b/include/tvm/ffi/memory.h
@@ -115,6 +115,7 @@ class ObjAllocatorBase {
     TVMFFIObject* ffi_ptr = details::ObjectUnsafe::GetHeader(ptr);
     ffi_ptr->combined_ref_count = kCombinedRefCountBothOne;
     ffi_ptr->type_index = T::RuntimeTypeIndex();
+    ffi_ptr->__padding = 0;
     ffi_ptr->deleter = Handler::Deleter();
     return details::ObjectUnsafe::ObjectPtrFromOwned<T>(ptr);
   }
@@ -136,6 +137,7 @@ class ObjAllocatorBase {
     TVMFFIObject* ffi_ptr = details::ObjectUnsafe::GetHeader(ptr);
     ffi_ptr->combined_ref_count = kCombinedRefCountBothOne;
     ffi_ptr->type_index = ArrayType::RuntimeTypeIndex();
+    ffi_ptr->__padding = 0;
     ffi_ptr->deleter = Handler::Deleter();
     return details::ObjectUnsafe::ObjectPtrFromOwned<ArrayType>(ptr);
   }