Re: [PATCH v11 0/8] MR1628: ntdll: Implement Low Fragmentation Heap.

[Zebediah Figura (＠zfigura)]

On Tue Feb 14 11:16:32 2023 +0000, Jinoh Kang wrote:
> The acq/rel barrier on the `enabled` flag is protecting `compat_info`
> (i.e. `compat_info := LFH` happens-before `enabled := TRUE`), so that a
> caller that observes LFH block allocation (alloc request succeeds
> without heap lock) will never observe `HEAP_STD` when it queries the heap.
> This requirement should be documented in the release side, along with a
> note that says the the `compat_info` write and `enabled` write should
> not change order.

Thanks, that makes sense. Yes, having that documented in the code would be great.