Messages in this thread Patch in this message | | | Date | Sat, 26 Jul 2003 16:51:59 +0200 | From | Geert Uytterhoeven <> | Subject | [PATCH] Sun-3 pte_file |
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Sun-3: pte_file fixes for sun-3 MMUs (from Sam Creasey)
--- linux-2.6.x/include/asm-m68k/sun3_pgtable.h Tue May 27 19:03:41 2003 +++ linux-m68k-2.6.x/include/asm-m68k/sun3_pgtable.h Fri Jul 18 16:24:45 2003 @@ -38,6 +38,8 @@ #define _PAGE_PRESENT (SUN3_PAGE_VALID) #define _PAGE_ACCESSED (SUN3_PAGE_ACCESSED) +#define PTE_FILE_MAX_BITS 28 + /* Compound page protection values. */ //todo: work out which ones *should* have SUN3_PAGE_NOCACHE and fix... // is it just PAGE_KERNEL and PAGE_SHARED? @@ -160,6 +162,7 @@ extern inline int pte_exec(pte_t pte) { return 1; } extern inline int pte_dirty(pte_t pte) { return pte_val(pte) & SUN3_PAGE_MODIFIED; } extern inline int pte_young(pte_t pte) { return pte_val(pte) & SUN3_PAGE_ACCESSED; } +extern inline int pte_file(pte_t pte) { return pte_val(pte) & SUN3_PAGE_ACCESSED; } extern inline pte_t pte_wrprotect(pte_t pte) { pte_val(pte) &= ~SUN3_PAGE_WRITEABLE; return pte; } extern inline pte_t pte_rdprotect(pte_t pte) { return pte; } @@ -194,6 +197,18 @@ { return (pmd_t *) pgd; } + +static inline unsigned long pte_to_pgoff(pte_t pte) +{ + return pte.pte & SUN3_PAGE_PGNUM_MASK; +} + +static inline pte_t pgoff_to_pte(inline unsigned off) +{ + pte_t pte = { off + SUN3_PAGE_ACCESSED }; + return pte; +} + /* Find an entry in the third-level pagetable. */ #define pte_index(address) ((address >> PAGE_SHIFT) & (PTRS_PER_PTE-1)) Gr{oetje,eeting}s, Geert
-- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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