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SubjectRe: [PATCH] mm/spase: never partially remove memmap for early section
On Tue, Jun 23, 2020 at 2:43 AM Wei Yang
<> wrote:
> For early sections, we assumes its memmap will never be partially
> removed. But current behavior breaks this.

Where do we assume that?

The primary use case for this was mapping pmem that collides with
System-RAM in the same 128MB section. That collision will certainly be
depopulated on-demand depending on the state of the pmem device. So,
I'm not understanding the problem or the benefit of this change.

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