+ mm-remove-dependency-on-config_flatmem-from-online_page.patch added to -mm tree

[akpm]

The patch titled
     mm: remove dependency on CONFIG_FLATMEM from online_page()
has been added to the -mm tree.  Its filename is
     mm-remove-dependency-on-config_flatmem-from-online_page.patch

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*** Remember to use Documentation/SubmitChecklist when testing your code ***

See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this

The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/

------------------------------------------------------
Subject: mm: remove dependency on CONFIG_FLATMEM from online_page()
From: Daniel Kiper <dkiper@xxxxxxxxxxxx>

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>
Acked-by: Dave Hansen <dave@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/memory_hotplug.c |    4 ----
 1 file changed, 4 deletions(-)

diff -puN mm/memory_hotplug.c~mm-remove-dependency-on-config_flatmem-from-online_page mm/memory_hotplug.c
--- a/mm/memory_hotplug.c~mm-remove-dependency-on-config_flatmem-from-online_page
+++ a/mm/memory_hotplug.c
@@ -374,10 +374,6 @@ void online_page(struct page *page)
 		totalhigh_pages++;
 #endif
 
-#ifdef CONFIG_FLATMEM
-	max_mapnr = max(pfn, max_mapnr);
-#endif
-
 	ClearPageReserved(page);
 	init_page_count(page);
 	__free_page(page);
_

Patches currently in -mm which might be from dkiper@xxxxxxxxxxxx are

linux-next.patch
mm-remove-dependency-on-config_flatmem-from-online_page.patch
mm-enable-set_page_section-only-if-config_sparsemem-and-config_sparsemem_vmemmap.patch
mm-pfn_to_section_nr-section_nr_to_pfn-is-valid-only-in-config_sparsemem-context.patch
mm-do-not-define-pfn_section_shift-if-config_sparsemem.patch



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