diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-10-13 11:05:51 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-13 11:05:51 +0200 |
| commit | accba5f3965d6a9d1bf7c1e1a7995d17e9d521b6 (patch) | |
| tree | 8fb40782e79472ed882ff2098d4dd295557278ee /arch/arm/include/asm/sparsemem.h | |
| parent | 6852fd9b86d05063c6ef49d2e12e061cc7f6a105 (diff) | |
| parent | 4480f15b3306f43bbb0310d461142b4e897ca45b (diff) | |
Merge branch 'linus' into oprofile-v2
Conflicts:
arch/x86/kernel/apic_32.c
arch/x86/oprofile/nmi_int.c
include/linux/pci_ids.h
Diffstat (limited to 'arch/arm/include/asm/sparsemem.h')
| -rw-r--r-- | arch/arm/include/asm/sparsemem.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/include/asm/sparsemem.h b/arch/arm/include/asm/sparsemem.h new file mode 100644 index 000000000000..00098615c6f0 --- /dev/null +++ b/arch/arm/include/asm/sparsemem.h @@ -0,0 +1,24 @@ +#ifndef ASMARM_SPARSEMEM_H +#define ASMARM_SPARSEMEM_H + +#include <asm/memory.h> + +/* + * Two definitions are required for sparsemem: + * + * MAX_PHYSMEM_BITS: The number of physical address bits required + * to address the last byte of memory. + * + * SECTION_SIZE_BITS: The number of physical address bits to cover + * the maximum amount of memory in a section. + * + * Eg, if you have 2 banks of up to 64MB at 0x80000000, 0x84000000, + * then MAX_PHYSMEM_BITS is 32, SECTION_SIZE_BITS is 26. + * + * Define these in your mach/memory.h. + */ +#if !defined(SECTION_SIZE_BITS) || !defined(MAX_PHYSMEM_BITS) +#error Sparsemem is not supported on this platform +#endif + +#endif |