← Back to branch summary

~ubuntu-branches/ubuntu/precise/linux-lowlatency/precise

« back to all changes in this revision

Viewing changes to arch/powerpc/include/asm/sparsemem.h

  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

Show diffs side-by-side

added added

removed removed

Lines of Context:
arch/powerpc/include/asm/sparsemem.h
 
1
#ifndef _ASM_POWERPC_SPARSEMEM_H
 
2
#define _ASM_POWERPC_SPARSEMEM_H 1
 
3
#ifdef __KERNEL__
 
4
 
 
5
#ifdef CONFIG_SPARSEMEM
 
6
/*
 
7
 * SECTION_SIZE_BITS            2^N: how big each section will be
 
8
 * MAX_PHYSADDR_BITS            2^N: how much physical address space we have
 
9
 * MAX_PHYSMEM_BITS             2^N: how much memory we can have in that space
 
10
 */
 
11
#define SECTION_SIZE_BITS       24
 
12
 
 
13
#define MAX_PHYSADDR_BITS       44
 
14
#define MAX_PHYSMEM_BITS        44
 
15
 
 
16
#endif /* CONFIG_SPARSEMEM */
 
17
 
 
18
#ifdef CONFIG_MEMORY_HOTPLUG
 
19
extern int create_section_mapping(unsigned long start, unsigned long end);
 
20
extern int remove_section_mapping(unsigned long start, unsigned long end);
 
21
#ifdef CONFIG_NUMA
 
22
extern int hot_add_scn_to_nid(unsigned long scn_addr);
 
23
#else
 
24
static inline int hot_add_scn_to_nid(unsigned long scn_addr)
 
25
{
 
26
        return 0;
 
27
}
 
28
#endif /* CONFIG_NUMA */
 
29
#endif /* CONFIG_MEMORY_HOTPLUG */
 
30
 
 
31
#endif /* __KERNEL__ */
 
32
#endif /* _ASM_POWERPC_SPARSEMEM_H */