diff options
| author |   Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2015-02-10 14:11:12 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-10 14:30:33 -0800 |
| commit | 6a8c4820895cf1dd2a128aef67ce079ba6eded80 (patch) | |
| tree | b34692e706d7bf69fa873088b7ffc0095a353499 /arch/sparc/include/asm/pgtsrmmu.h | |
| parent | sh: drop _PAGE_FILE and pte_file()-related helpers (diff) | |
| download | linux-dev-6a8c4820895cf1dd2a128aef67ce079ba6eded80.tar.xz linux-dev-6a8c4820895cf1dd2a128aef67ce079ba6eded80.zip | |
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 '')
| -rw-r--r-- | arch/sparc/include/asm/pgtsrmmu.h | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/arch/sparc/include/asm/pgtsrmmu.h b/arch/sparc/include/asm/pgtsrmmu.h index 79da17866fa8..ae51a111a8c7 100644 --- a/arch/sparc/include/asm/pgtsrmmu.h +++ b/arch/sparc/include/asm/pgtsrmmu.h @@ -80,10 +80,6 @@ #define SRMMU_PRIV 0x1c #define SRMMU_PRIV_RDONLY 0x18 -#define SRMMU_FILE 0x40 /* Implemented in software */ - -#define SRMMU_PTE_FILE_SHIFT 8 /* == 32-PTE_FILE_MAX_BITS */ - #define SRMMU_CHG_MASK (0xffffff00 | SRMMU_REF | SRMMU_DIRTY) /* SRMMU swap entry encoding @@ -94,13 +90,13 @@ * oooooooooooooooooootttttRRRRRRRR * fedcba9876543210fedcba9876543210 * - * The bottom 8 bits are reserved for protection and status bits, especially - * FILE and PRESENT. + * The bottom 7 bits are reserved for protection and status bits, especially + * PRESENT. */ #define SRMMU_SWP_TYPE_MASK 0x1f -#define SRMMU_SWP_TYPE_SHIFT SRMMU_PTE_FILE_SHIFT -#define SRMMU_SWP_OFF_MASK 0x7ffff -#define SRMMU_SWP_OFF_SHIFT (SRMMU_PTE_FILE_SHIFT + 5) +#define SRMMU_SWP_TYPE_SHIFT 7 +#define SRMMU_SWP_OFF_MASK 0xfffff +#define SRMMU_SWP_OFF_SHIFT (SRMMU_SWP_TYPE_SHIFT + 5) /* Some day I will implement true fine grained access bits for * user pages because the SRMMU gives us the capabilities to |