diff options
| author | Helge Deller <deller@parisc-linux.org> | 2006-01-10 20:47:55 -0500 |
|---|---|---|
| committer | Kyle McMartin <kyle@duet.int.mcmartin.ca> | 2006-01-10 21:51:51 -0500 |
| commit | e8b736c860dd93ba26b391abc91891e03ca99858 (patch) | |
| tree | 31836892f93fca17999f2d808f16651b1f769e5e /include/asm-parisc | |
| parent | 4d64c9f58e618b1bdbc91cb071e6c8d90f43d620 (diff) | |
[PARISC] Add some defines for HugeTLB pages
Define some constants for HugeTLB pages, not that parisc-linux supports
it yet.
Signed-off-by: Helge Deller <deller@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
Diffstat (limited to 'include/asm-parisc')
| -rw-r--r-- | include/asm-parisc/page.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/asm-parisc/page.h b/include/asm-parisc/page.h index 44eae9f8274..4a6752b0afe 100644 --- a/include/asm-parisc/page.h +++ b/include/asm-parisc/page.h @@ -135,6 +135,13 @@ extern int npmem_ranges; #define pfn_valid(pfn) ((pfn) < max_mapnr) #endif /* CONFIG_DISCONTIGMEM */ +#ifdef CONFIG_HUGETLB_PAGE +#define HPAGE_SHIFT 22 /* 4MB (is this fixed?) */ +#define HPAGE_SIZE ((1UL) << HPAGE_SHIFT) +#define HPAGE_MASK (~(HPAGE_SIZE - 1)) +#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) +#endif + #define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) #define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) |