mm: do not define PFN_SECTION_SHIFT if !CONFIG_SPARSEMEM

Do not define PFN_SECTION_SHIFT if !CONFIG_SPARSEMEM. Signed-off-by: Daniel Kiper <dkiper@net-space.pl> Acked-by: Dave Hansen <dave@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mariux64 · May 25, 2011 · ba93fa8 · ba93fa8
1 parent e3c40f3
commit ba93fa8
Showing 1 changed file with 0 additions and 4 deletions.
diff --git a/include/linux/mm.h b/include/linux/mm.h
@@ -605,10 +605,6 @@ static inline pte_t maybe_mkwrite(pte_t pte, struct vm_area_struct *vma)
 #define NODE_NOT_IN_PAGE_FLAGS
 #endif
 
-#ifndef PFN_SECTION_SHIFT
-#define PFN_SECTION_SHIFT 0
-#endif
-
 /*
  * Define the bit shifts to access each section.  For non-existent
  * sections we define the shift as 0; that plus a 0 mask ensures