diff options
| author |   Paul Mackerras <paulus@samba.org> | 2016-02-22 13:41:19 +1100 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2016-02-29 20:34:40 +1100 |
| commit | e726202f06cbfda4e42d2b32138cf288445ec80d (patch) | |
| tree | 6b377576b116e4ff5535602f47148c740847e794 | |
| parent | powerpc/mm/book3s-64: Shuffle read, write, execute and user bits in PTE (diff) | |
| download | linux-dev-e726202f06cbfda4e42d2b32138cf288445ec80d.tar.xz linux-dev-e726202f06cbfda4e42d2b32138cf288445ec80d.zip | |
powerpc/mm/book3s-64: Move software-used bits in PTE
This moves the _PAGE_SPECIAL and _PAGE_SOFT_DIRTY bits in the Linux
PTE on 64-bit Book 3S systems to bit positions which are designated
for software use in the radix PTE format used by PowerISA v3.0 CPUs
in radix mode.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/hash.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/hash.h b/arch/powerpc/include/asm/book3s/64/hash.h index cd4bf957af5a..ef9bd68f7e6d 100644 --- a/arch/powerpc/include/asm/book3s/64/hash.h +++ b/arch/powerpc/include/asm/book3s/64/hash.h @@ -26,13 +26,13 @@ #define _PAGE_WRITETHRU 0x00040 /* W: cache write-through */ #define _PAGE_DIRTY 0x00080 /* C: page changed */ #define _PAGE_ACCESSED 0x00100 /* R: page referenced */ +#define _PAGE_SPECIAL 0x00400 /* software: special page */ #define _PAGE_BUSY 0x00800 /* software: PTE & hash are busy */ -#define _PAGE_SPECIAL 0x10000 /* software: special page */ #ifdef CONFIG_MEM_SOFT_DIRTY -#define _PAGE_SOFT_DIRTY 0x20000 /* software: software dirty tracking */ +#define _PAGE_SOFT_DIRTY 0x200 /* software: software dirty tracking */ #else -#define _PAGE_SOFT_DIRTY 0x00000 +#define _PAGE_SOFT_DIRTY 0x000 #endif #define _PAGE_F_GIX_SHIFT 57 |