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| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2018-10-09 13:52:14 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-10-14 18:04:09 +1100 |
| commit | cbcbbf4afd6d38272bf0119d890caa5ebba6fe4c (patch) | |
| tree | c1e36632154145e015b021ba51d1215fb9c7a01e /arch/powerpc/include/asm/nohash/32/pte-40x.h | |
| parent | a0da4bc166f21d88400ec91e01b815054561804e (diff) | |
| download | talos-op-linux-cbcbbf4afd6d38272bf0119d890caa5ebba6fe4c.tar.gz talos-op-linux-cbcbbf4afd6d38272bf0119d890caa5ebba6fe4c.zip | |
powerpc/mm: Define platform default caches related flags
Cache related flags like _PAGE_COHERENT and _PAGE_WRITETHRU
are defined on most platforms. The platforms not defining
them don't define any alternative. So we can give them a NUL
value directly for those platforms directly.
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm/nohash/32/pte-40x.h')
| -rw-r--r-- | arch/powerpc/include/asm/nohash/32/pte-40x.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/nohash/32/pte-40x.h b/arch/powerpc/include/asm/nohash/32/pte-40x.h index ab043b3e9b99..7a8b3c94592f 100644 --- a/arch/powerpc/include/asm/nohash/32/pte-40x.h +++ b/arch/powerpc/include/asm/nohash/32/pte-40x.h @@ -53,6 +53,9 @@ /* No page size encoding in the linux PTE */ #define _PAGE_PSIZE 0 +/* cache related flags non existing on 40x */ +#define _PAGE_COHERENT 0 + #define _PAGE_KERNEL_RO 0 #define _PAGE_KERNEL_ROX _PAGE_EXEC #define _PAGE_KERNEL_RW (_PAGE_DIRTY | _PAGE_RW | _PAGE_HWWRITE) |
