Re: [PATCH] crash_core: export vmemmap when CONFIG_SPARSEMEM_VMEMMAP is enabled

[Shijie Huang]

Hi Andrew,

在 2023/12/21 12:12, Baoquan He 写道:
> On 11/27/23 at 10:07am, Huang Shijie wrote:
> > In memory_model.h, if CONFIG_SPARSEMEM_VMEMMAP is configed,
> > kernel will use vmemmap to do the __pfn_to_page/page_to_pfn,
> > and kernel will not use the "classic sparse" to do the
> > __pfn_to_page/page_to_pfn.
> >
> > So export the vmemmap when CONFIG_SPARSEMEM_VMEMMAP is configed.
> > This makes the user applications (crash, etc) get faster
> > pfn_to_page/page_to_pfn operations too.
> >
> > Signed-off-by: Huang Shijie <shijie@xxxxxxxxxxxxxxxxxxxxxx>
> > ---
> >   kernel/crash_core.c | 3 +++
> >   1 file changed, 3 insertions(+)
> Ack this one as it's needed by crash utility patches.
>
> Acked-by: Baoquan He <bhe@xxxxxxxxxx>

Could you please merge this patch?


Thanks

Huang Shijie