From e8b736c860dd93ba26b391abc91891e03ca99858 Mon Sep 17 00:00:00 2001 From: Helge Deller Date: Tue, 10 Jan 2006 20:47:55 -0500 Subject: [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 Signed-off-by: Kyle McMartin --- include/asm-parisc/page.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'include/asm-parisc') 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) -- cgit v1.2.3