From: Daniel Kiper <dkiper@net-space.pl>
Date: Wed, 25 May 2011 00:12:34 +0000 (-0700)
Subject: mm: do not define PFN_SECTION_SHIFT if !CONFIG_SPARSEMEM
X-Git-Tag: v3.0-rc1~235
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=ba93fa81b5f2bf0076407a3a777fff122ce16220;p=~shefty%2Frdma-dev.git

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>
---

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 6702171f8d0..32309f6542e 100644
--- 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