Commit ba93fa81 authored May 24, 2011 by Daniel Kiper Committed by Linus Torvalds May 25, 2011

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>

parent e3c40f37

include/linux/mm.h

+0 −4

Original line number	Diff line number	Diff line
		@@ -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