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arc: drop _PAGE_FILE and pte_file()-related helpers

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

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Kirill A. Shutemov 2015-02-10 14:10:12 -08:00 committed by Linus Torvalds
parent b816157a53
commit 1874715130
1 changed files with 1 additions and 12 deletions
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13
arch/arc/include/asm/pgtable.h
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@ -61,7 +61,6 @@
#define _PAGE_WRITE (1<<4) /* Page has user write perm (H) */
#define _PAGE_READ (1<<5) /* Page has user read perm (H) */
#define _PAGE_MODIFIED (1<<6) /* Page modified (dirty) (S) */
#define _PAGE_FILE (1<<7) /* page cache/ swap (S) */
#define _PAGE_GLOBAL (1<<8) /* Page is global (H) */
#define _PAGE_PRESENT (1<<10) /* TLB entry is valid (H) */
@ -73,7 +72,6 @@
#define _PAGE_READ (1<<3) /* Page has user read perm (H) */
#define _PAGE_ACCESSED (1<<4) /* Page is accessed (S) */
#define _PAGE_MODIFIED (1<<5) /* Page modified (dirty) (S) */
#define _PAGE_FILE (1<<6) /* page cache/ swap (S) */
#define _PAGE_GLOBAL (1<<8) /* Page is global (H) */
#define _PAGE_PRESENT (1<<9) /* TLB entry is valid (H) */
#define _PAGE_SHARED_CODE (1<<11) /* Shared Code page with cmn vaddr
@ -268,15 +266,6 @@ static inline void pmd_set(pmd_t *pmdp, pte_t *ptep)
pte; \
})
/* TBD: Non linear mapping stuff */
static inline int pte_file(pte_t pte)
{
return pte_val(pte) & _PAGE_FILE;
}
#define PTE_FILE_MAX_BITS 30
#define pgoff_to_pte(x) __pte(x)
#define pte_to_pgoff(x) (pte_val(x) >> 2)
#define pte_pfn(pte) (pte_val(pte) >> PAGE_SHIFT)
#define pfn_pte(pfn, prot) (__pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot)))
#define __pte_index(addr) (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
@ -364,7 +353,7 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address,
/* Encode swap {type,off} tuple into PTE
* We reserve 13 bits for 5-bit @type, keeping bits 12-5 zero, ensuring that
* both PAGE_FILE and PAGE_PRESENT are zero in a PTE holding swap "identifier"
* PAGE_PRESENT is zero in a PTE holding swap "identifier"
*/
#define __swp_entry(type, off) ((swp_entry_t) { \
((type) & 0x1f) | ((off) << 13) })