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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-09-22 18:12:26 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-09-24 15:31:49 +1000 |
| commit | f32af63ed1327451cb91e3816fa043b6c2c52db1 (patch) | |
| tree | ccce3ffd1995ea3404c7984c34bc93fafb3740d6 /arch/powerpc/include/asm/pte-40x.h | |
| parent | 142597dbbd8a1d516af3dacfa00037f21612e865 (diff) | |
| download | blackbird-op-linux-f32af63ed1327451cb91e3816fa043b6c2c52db1.tar.gz blackbird-op-linux-f32af63ed1327451cb91e3816fa043b6c2c52db1.zip | |
powerpc/mm: Fix 40x and 8xx vs. _PAGE_SPECIAL
The test to check whether we have _PAGE_SPECIAL defined is broken,
since we always define it, just not always to a meaninful value :-)
That broke 8xx and 40x under some circumstances.
This fixes it by adding _PAGE_SPECIAL for both of these since they
had a free PTE bit, and removing the condition around advertising
it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/pte-40x.h')
| -rw-r--r-- | arch/powerpc/include/asm/pte-40x.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/pte-40x.h b/arch/powerpc/include/asm/pte-40x.h index 6c3e1f4378d4..ec0b0b0d1df9 100644 --- a/arch/powerpc/include/asm/pte-40x.h +++ b/arch/powerpc/include/asm/pte-40x.h @@ -43,6 +43,7 @@ #define _PAGE_NO_CACHE 0x004 /* I: caching is inhibited */ #define _PAGE_WRITETHRU 0x008 /* W: caching is write-through */ #define _PAGE_USER 0x010 /* matches one of the zone permission bits */ +#define _PAGE_SPECIAL 0x020 /* software: Special page */ #define _PAGE_RW 0x040 /* software: Writes permitted */ #define _PAGE_DIRTY 0x080 /* software: dirty page */ #define _PAGE_HWWRITE 0x100 /* hardware: Dirty & RW, set in exception */ |
