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

[David Rientjes <rientjes@xxxxxxxxxx>]

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.

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