[Xen-devel] Re: [PATCH 1/4] mm: Remove dependency on CONFIG_FLATMEM from online_page()

[Daniel Kiper <dkiper@xxxxxxxxxxxx>]

On Thu, May 12, 2011 at 12:26:22PM -0700, David Rientjes wrote:
> On Thu, 12 May 2011, Daniel Kiper wrote:
>
> > > > Memory hotplug code strictly depends on CONFIG_SPARSEMEM.
> > > > It means that code depending on CONFIG_FLATMEM in online_page()
> > > > is never compiled. Remove it because it is not needed anymore.
> > > >
> > > > Signed-off-by: Daniel Kiper <dkiper@xxxxxxxxxxxx>
> > >
> > > The code you're patching depends on CONFIG_MEMORY_HOTPLUG_SPARSE, so this
> > > is valid.  The changelog should be updated to reflect that, however.
> > >
> > > Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
> >
> > No problem, however, this bundle of patches was added to the -mm tree.
> > In this situation should I repost whole bundle with relevant changes
> > or post only those two patches requested by you ??? For which tree
> > should I prepare new version of patches ???
> >
>
> No, I would just reply to the email notification you received when the
> patch went into -mm saying that the changelog should be adjusted to read
> something like
>
>       online_pages() is only compiled for CONFIG_MEMORY_HOTPLUG_SPARSE,
>       so there is no need to support CONFIG_FLATMEM code within it.
>
>       This patch removes code that is never used.

Please look into attachments.

If you have any questions please drop me a line.

Daniel

Attachment: mm-enable-set_page_section-only-if-config_sparsemem-and-config_sparsemem_vmemmap.patch
Description: Text document

Attachment: mm-remove-dependency-on-config_flatmem-from-online_page.patch
Description: Text document

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