Why are the alignment requirements for SLIST_ENTRY so different on 64-bit Windows?

Raymond ChenAugust 19, 2011Aug 19, 201108/19/11

The Interlocked­Push­Entry­SList function stipulates that all list items must be aligned on a MEMORY_ALLOCATION_ALIGNMENT boundary. For 32-bit Windows, MEMORY_ALLOCATION_ALIGNMENT is 8, but the SLIST_ENTRY structure itself does not have a DECLSPEC_ALIGN(8) attribute. Even more confusingly, the documentation for SLIST_ENTRY ...