diff options
Diffstat (limited to 'arch/blackfin/include/asm/pgtable.h')
| -rw-r--r-- | arch/blackfin/include/asm/pgtable.h | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/arch/blackfin/include/asm/pgtable.h b/arch/blackfin/include/asm/pgtable.h index f11684e4ade..0b049019eba 100644 --- a/arch/blackfin/include/asm/pgtable.h +++ b/arch/blackfin/include/asm/pgtable.h @@ -1,3 +1,9 @@ +/* + * Copyright 2004-2009 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + #ifndef _BLACKFIN_PGTABLE_H #define _BLACKFIN_PGTABLE_H @@ -29,6 +35,7 @@ typedef pte_t *pte_addr_t; #define PAGE_COPY __pgprot(0) /* these mean nothing to NO_MM */ #define PAGE_READONLY __pgprot(0) /* these mean nothing to NO_MM */ #define PAGE_KERNEL __pgprot(0) /* these mean nothing to NO_MM */ +#define pgprot_noncached(prot) (prot) extern void paging_init(void); @@ -73,16 +80,14 @@ PTE_BIT_FUNC(mkyoung, |= _PAGE_ACCESSED); * ZERO_PAGE is a global shared page that is always zero: used * for zero-mapped memory areas etc.. */ -#define ZERO_PAGE(vaddr) (virt_to_page(0)) - -extern unsigned int kobjsize(const void *objp); +#define ZERO_PAGE(vaddr) virt_to_page(empty_zero_page) +extern char empty_zero_page[]; #define swapper_pg_dir ((pgd_t *) 0) /* * No page table caches to initialise. */ #define pgtable_cache_init() do { } while (0) -#define io_remap_pfn_range remap_pfn_range /* * All 32bit addresses are effectively valid for vmalloc... @@ -91,6 +96,12 @@ extern unsigned int kobjsize(const void *objp); #define VMALLOC_START 0 #define VMALLOC_END 0xffffffff +/* provide a special get_unmapped_area for framebuffer mmaps of nommu */ +extern unsigned long get_fb_unmapped_area(struct file *filp, unsigned long, + unsigned long, unsigned long, + unsigned long); +#define HAVE_ARCH_FB_UNMAPPED_AREA + #include <asm-generic/pgtable.h> #endif /* _BLACKFIN_PGTABLE_H */ |