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Re: [Xen-devel] [PATCH 2/2] xen/mm: Introduce PG_state_uninitialised
- To: "jbeulich@xxxxxxxx" <jbeulich@xxxxxxxx>, "dwmw2@xxxxxxxxxxxxx" <dwmw2@xxxxxxxxxxxxx>
- From: "Xia, Hongyan" <hongyxia@xxxxxxxxxx>
- Date: Fri, 7 Feb 2020 16:40:01 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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- Thread-topic: [Xen-devel] [PATCH 2/2] xen/mm: Introduce PG_state_uninitialised
On Fri, 2020-02-07 at 16:32 +0000, David Woodhouse wrote:
>
> ...
>
> Ideally not because init_heap_pages() then calls free_heap_pages()
> and the "recursion" is best avoided.
Kind of depends on where we change its pg to initialised. If we do that
in free_heap_pages this does recurse, but if it is done in
init_heap_pages before calling free it does not.
Hongyan
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