diff options
author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2015-02-10 14:11:12 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-10 14:30:33 -0800 |
commit | 6a8c4820895cf1dd2a128aef67ce079ba6eded80 (patch) | |
tree | b34692e706d7bf69fa873088b7ffc0095a353499 /arch/sparc/include/asm/pgtable_64.h | |
parent | 8b70beac99466b6d164de9fe647b3567e6f17e3a (diff) | |
download | linux-6a8c4820895cf1dd2a128aef67ce079ba6eded80.tar.bz2 |
sparc: drop pte_file()-related helpers
We've replaced remap_file_pages(2) implementation with emulation. Nobody
creates non-linear mapping anymore.
This patch also increase number of bits availble for swap offset.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/sparc/include/asm/pgtable_64.h')
-rw-r--r-- | arch/sparc/include/asm/pgtable_64.h | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index 1ff9e7864168..2ac7873ad6fd 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -137,7 +137,6 @@ bool kern_addr_valid(unsigned long addr); #define _PAGE_SOFT_4U _AC(0x0000000000001F80,UL) /* Software bits: */ #define _PAGE_EXEC_4U _AC(0x0000000000001000,UL) /* Executable SW bit */ #define _PAGE_MODIFIED_4U _AC(0x0000000000000800,UL) /* Modified (dirty) */ -#define _PAGE_FILE_4U _AC(0x0000000000000800,UL) /* Pagecache page */ #define _PAGE_ACCESSED_4U _AC(0x0000000000000400,UL) /* Accessed (ref'd) */ #define _PAGE_READ_4U _AC(0x0000000000000200,UL) /* Readable SW Bit */ #define _PAGE_WRITE_4U _AC(0x0000000000000100,UL) /* Writable SW Bit */ @@ -167,7 +166,6 @@ bool kern_addr_valid(unsigned long addr); #define _PAGE_EXEC_4V _AC(0x0000000000000080,UL) /* Executable Page */ #define _PAGE_W_4V _AC(0x0000000000000040,UL) /* Writable */ #define _PAGE_SOFT_4V _AC(0x0000000000000030,UL) /* Software bits */ -#define _PAGE_FILE_4V _AC(0x0000000000000020,UL) /* Pagecache page */ #define _PAGE_PRESENT_4V _AC(0x0000000000000010,UL) /* Present */ #define _PAGE_RESV_4V _AC(0x0000000000000008,UL) /* Reserved */ #define _PAGE_SZ16GB_4V _AC(0x0000000000000007,UL) /* 16GB Page */ @@ -332,22 +330,6 @@ static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot) } #endif -static inline pte_t pgoff_to_pte(unsigned long off) -{ - off <<= PAGE_SHIFT; - - __asm__ __volatile__( - "\n661: or %0, %2, %0\n" - " .section .sun4v_1insn_patch, \"ax\"\n" - " .word 661b\n" - " or %0, %3, %0\n" - " .previous\n" - : "=r" (off) - : "0" (off), "i" (_PAGE_FILE_4U), "i" (_PAGE_FILE_4V)); - - return __pte(off); -} - static inline pgprot_t pgprot_noncached(pgprot_t prot) { unsigned long val = pgprot_val(prot); @@ -609,22 +591,6 @@ static inline unsigned long pte_exec(pte_t pte) return (pte_val(pte) & mask); } -static inline unsigned long pte_file(pte_t pte) -{ - unsigned long val = pte_val(pte); - - __asm__ __volatile__( - "\n661: and %0, %2, %0\n" - " .section .sun4v_1insn_patch, \"ax\"\n" - " .word 661b\n" - " and %0, %3, %0\n" - " .previous\n" - : "=r" (val) - : "0" (val), "i" (_PAGE_FILE_4U), "i" (_PAGE_FILE_4V)); - - return val; -} - static inline unsigned long pte_present(pte_t pte) { unsigned long val = pte_val(pte); @@ -971,12 +937,6 @@ pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp); #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) -/* File offset in PTE support. */ -unsigned long pte_file(pte_t); -#define pte_to_pgoff(pte) (pte_val(pte) >> PAGE_SHIFT) -pte_t pgoff_to_pte(unsigned long); -#define PTE_FILE_MAX_BITS (64UL - PAGE_SHIFT - 1UL) - int page_in_phys_avail(unsigned long paddr); /* |