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m32r: 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>
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 14:10:39 -08:00 committed by Linus Torvalds
parent 636a002b70
commit 406b16e26d
2 changed files with 0 additions and 15 deletions
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4
arch/m32r/include/asm/pgtable-2level.h
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@ -70,9 +70,5 @@ static inline pmd_t *pmd_offset(pgd_t * dir, unsigned long address)
#define pfn_pte(pfn, prot) __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
#define pfn_pmd(pfn, prot) __pmd(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
#define PTE_FILE_MAX_BITS 29
#define pte_to_pgoff(pte) (((pte_val(pte) >> 2) & 0x7f) | (((pte_val(pte) >> 10)) << 7))
#define pgoff_to_pte(off) ((pte_t) { (((off) & 0x7f) << 2) | (((off) >> 7) << 10) | _PAGE_FILE })
#endif /* __KERNEL__ */
#endif /* _ASM_M32R_PGTABLE_2LEVEL_H */

11
arch/m32r/include/asm/pgtable.h
View File

@ -80,8 +80,6 @@ extern unsigned long empty_zero_page[1024];
*/
#define _PAGE_BIT_DIRTY 0 /* software: page changed */
#define _PAGE_BIT_FILE 0 /* when !present: nonlinear file
mapping */
#define _PAGE_BIT_PRESENT 1 /* Valid: page is valid */
#define _PAGE_BIT_GLOBAL 2 /* Global */
#define _PAGE_BIT_LARGE 3 /* Large */
@ -93,7 +91,6 @@ extern unsigned long empty_zero_page[1024];
#define _PAGE_BIT_PROTNONE 9 /* software: if not present */
#define _PAGE_DIRTY (1UL << _PAGE_BIT_DIRTY)
#define _PAGE_FILE (1UL << _PAGE_BIT_FILE)
#define _PAGE_PRESENT (1UL << _PAGE_BIT_PRESENT)
#define _PAGE_GLOBAL (1UL << _PAGE_BIT_GLOBAL)
#define _PAGE_LARGE (1UL << _PAGE_BIT_LARGE)
@ -206,14 +203,6 @@ static inline int pte_write(pte_t pte)
return pte_val(pte) & _PAGE_WRITE;
}
/*
* The following only works if pte_present() is not true.
*/
static inline int pte_file(pte_t pte)
{
return pte_val(pte) & _PAGE_FILE;
}
static inline int pte_special(pte_t pte)
{
return 0;