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mips: 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>
Cc: Ralf Baechle <ralf@linux-mips.org>
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 14:10:50 -08:00
committed by Linus Torvalds
parent 937fa39fb2
commit b32da82e28
4 changed files with 0 additions and 56 deletions
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9
arch/mips/include/asm/pgtable-bits.h
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@@ -48,8 +48,6 @@
/*
* The following bits are implemented in software
*
* _PAGE_FILE semantics: set:pagecache unset:swap
*/
#define _PAGE_PRESENT_SHIFT (_CACHE_SHIFT + 3)
#define _PAGE_PRESENT (1 << _PAGE_PRESENT_SHIFT)
@@ -64,7 +62,6 @@
#define _PAGE_SILENT_READ _PAGE_VALID
#define _PAGE_SILENT_WRITE _PAGE_DIRTY
#define _PAGE_FILE _PAGE_MODIFIED
#define _PFN_SHIFT (PAGE_SHIFT - 12 + _CACHE_SHIFT + 3)
@@ -72,8 +69,6 @@
/*
* The following are implemented by software
*
* _PAGE_FILE semantics: set:pagecache unset:swap
*/
#define _PAGE_PRESENT_SHIFT 0
#define _PAGE_PRESENT (1 << _PAGE_PRESENT_SHIFT)
@@ -85,8 +80,6 @@
#define _PAGE_ACCESSED (1 << _PAGE_ACCESSED_SHIFT)
#define _PAGE_MODIFIED_SHIFT 4
#define _PAGE_MODIFIED (1 << _PAGE_MODIFIED_SHIFT)
#define _PAGE_FILE_SHIFT 4
#define _PAGE_FILE (1 << _PAGE_FILE_SHIFT)
/*
* And these are the hardware TLB bits
@@ -116,7 +109,6 @@
* The following bits are implemented in software
*
* _PAGE_READ / _PAGE_READ_SHIFT should be unused if cpu_has_rixi.
* _PAGE_FILE semantics: set:pagecache unset:swap
*/
#define _PAGE_PRESENT_SHIFT (0)
#define _PAGE_PRESENT (1 << _PAGE_PRESENT_SHIFT)
@@ -128,7 +120,6 @@
#define _PAGE_ACCESSED (1 << _PAGE_ACCESSED_SHIFT)
#define _PAGE_MODIFIED_SHIFT (_PAGE_ACCESSED_SHIFT + 1)
#define _PAGE_MODIFIED (1 << _PAGE_MODIFIED_SHIFT)
#define _PAGE_FILE (_PAGE_MODIFIED)
#ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT
/* huge tlb page */