diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-10-01 16:56:15 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-10-01 17:22:02 +0100 |
| commit | d2a38ef9c1585b47462c7be5501228ac57fbd3b1 (patch) | |
| tree | 81ae36059881fbee802ec45081a74a866d92819e /arch/arm/include | |
| parent | 6c5da7aced798c7781f054a76c769b85f0173561 (diff) | |
[ARM] mm: provide helpers for accessing membanks
Provide helpers for getting physical addresses or pfns from the
meminfo array, and use them. Move for_each_nodebank() to
asm/setup.h alongside the meminfo structure definition.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/setup.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/include/asm/setup.h b/arch/arm/include/asm/setup.h index 7bbf105463f..a65413ba121 100644 --- a/arch/arm/include/asm/setup.h +++ b/arch/arm/include/asm/setup.h @@ -209,6 +209,17 @@ struct meminfo { struct membank bank[NR_BANKS]; }; +#define for_each_nodebank(iter,mi,no) \ + for (iter = 0; iter < mi->nr_banks; iter++) \ + if (mi->bank[iter].node == no) + +#define bank_pfn_start(bank) __phys_to_pfn((bank)->start) +#define bank_pfn_end(bank) __phys_to_pfn((bank)->start + (bank)->size) +#define bank_pfn_size(bank) ((bank)->size >> PAGE_SHIFT) +#define bank_phys_start(bank) (bank)->start +#define bank_phys_end(bank) ((bank)->start + (bank)->size) +#define bank_phys_size(bank) (bank)->size + /* * Early command line parameters. */ |