forked from Minki/linux
145e664231
Provide the architecture specific implementation for SPARSEMEM for PPC64 systems. Signed-off-by: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Dave Hansen <haveblue@us.ibm.com> Signed-off-by: Mike Kravetz <kravetz@us.ibm.com> (in part) Signed-off-by: Martin Bligh <mbligh@aracnet.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
17 lines
460 B
C
17 lines
460 B
C
#ifndef _ASM_PPC64_SPARSEMEM_H
|
|
#define _ASM_PPC64_SPARSEMEM_H 1
|
|
|
|
#ifdef CONFIG_SPARSEMEM
|
|
/*
|
|
* SECTION_SIZE_BITS 2^N: how big each section will be
|
|
* MAX_PHYSADDR_BITS 2^N: how much physical address space we have
|
|
* MAX_PHYSMEM_BITS 2^N: how much memory we can have in that space
|
|
*/
|
|
#define SECTION_SIZE_BITS 24
|
|
#define MAX_PHYSADDR_BITS 38
|
|
#define MAX_PHYSMEM_BITS 36
|
|
|
|
#endif /* CONFIG_SPARSEMEM */
|
|
|
|
#endif /* _ASM_PPC64_SPARSEMEM_H */
|