Commit 8d55da81 authored by Kirill A. Shutemov's avatar Kirill A. Shutemov Committed by Linus Torvalds
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parisc: drop _PAGE_FILE and pte_file()-related helpers 



We've replaced remap_file_pages(2) implementation with emulation.  Nobody
creates non-linear mapping anymore.

Signed-off-by: default avatarKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Helge Deller <deller@gmx.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 3824e3cf

arch/parisc/include/asm/pgtable.h

+0 −10
Original line number Diff line number Diff line
@@ -146,7 +146,6 @@ extern void purge_tlb_entries(struct mm_struct *, unsigned long); 
#define _PAGE_GATEWAY_BIT  28   /* (0x008) privilege promotion allowed */

#define _PAGE_DMB_BIT      27   /* (0x010) Data Memory Break enable (B bit) */

#define _PAGE_DIRTY_BIT    26   /* (0x020) Page Dirty (D bit) */

#define _PAGE_FILE_BIT	_PAGE_DIRTY_BIT	/* overload this bit */

#define _PAGE_REFTRAP_BIT  25   /* (0x040) Page Ref. Trap enable (T bit) */

#define _PAGE_NO_CACHE_BIT 24   /* (0x080) Uncached Page (U bit) */

#define _PAGE_ACCESSED_BIT 23   /* (0x100) Software: Page Accessed */
@@ -167,13 +166,6 @@ extern void purge_tlb_entries(struct mm_struct *, unsigned long); 
/* PFN_PTE_SHIFT defines the shift of a PTE value to access the PFN field */

#define PFN_PTE_SHIFT		12





/* this is how many bits may be used by the file functions */

#define PTE_FILE_MAX_BITS	(BITS_PER_LONG - PTE_SHIFT)



#define pte_to_pgoff(pte) (pte_val(pte) >> PTE_SHIFT)

#define pgoff_to_pte(off) ((pte_t) { ((off) << PTE_SHIFT) | _PAGE_FILE })



#define _PAGE_READ     (1 << xlate_pabit(_PAGE_READ_BIT))

#define _PAGE_WRITE    (1 << xlate_pabit(_PAGE_WRITE_BIT))

#define _PAGE_RW       (_PAGE_READ | _PAGE_WRITE)
@@ -186,7 +178,6 @@ extern void purge_tlb_entries(struct mm_struct *, unsigned long); 
#define _PAGE_ACCESSED (1 << xlate_pabit(_PAGE_ACCESSED_BIT))

#define _PAGE_PRESENT  (1 << xlate_pabit(_PAGE_PRESENT_BIT))

#define _PAGE_USER     (1 << xlate_pabit(_PAGE_USER_BIT))

#define _PAGE_FILE     (1 << xlate_pabit(_PAGE_FILE_BIT))



#define _PAGE_TABLE	(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE |  _PAGE_DIRTY | _PAGE_ACCESSED)

#define _PAGE_CHG_MASK	(PAGE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY)
@@ -344,7 +335,6 @@ static inline void pgd_clear(pgd_t * pgdp) { } 
static inline int pte_dirty(pte_t pte)		{ return pte_val(pte) & _PAGE_DIRTY; }

static inline int pte_young(pte_t pte)		{ return pte_val(pte) & _PAGE_ACCESSED; }

static inline int pte_write(pte_t pte)		{ return pte_val(pte) & _PAGE_WRITE; }

static inline int pte_file(pte_t pte)		{ return pte_val(pte) & _PAGE_FILE; }

static inline int pte_special(pte_t pte)	{ return 0; }



static inline pte_t pte_mkclean(pte_t pte)	{ pte_val(pte) &= ~_PAGE_DIRTY; return pte; }

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