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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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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