diff options
| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2018-10-09 16:52:16 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-10-14 10:04:09 +0300 |
| commit | 5662315384fcb3d81125562124cf4e1743aa2c3a (patch) | |
| tree | 0f3ce28665a4e6394f104ff3bd3de56826fe9f96 /arch/powerpc/include/asm/nohash/32/pgtable.h | |
| parent | cbcbbf4afd6d38272bf0119d890caa5ebba6fe4c (diff) | |
| download | linux-5662315384fcb3d81125562124cf4e1743aa2c3a.tar.xz | |
powerpc/mm: Get rid of pte-common.h
Do not include pte-common.h in nohash/32/pgtable.h
As that was the last includer, get rid of pte-common.h
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/pgtable.h')
| -rw-r--r-- | arch/powerpc/include/asm/nohash/32/pgtable.h | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/nohash/32/pgtable.h b/arch/powerpc/include/asm/nohash/32/pgtable.h index ce9270a0ea42..f7b129a83054 100644 --- a/arch/powerpc/include/asm/nohash/32/pgtable.h +++ b/arch/powerpc/include/asm/nohash/32/pgtable.h @@ -128,8 +128,30 @@ extern int icache_44x_need_flush; #include <asm/nohash/32/pte-8xx.h> #endif -/* And here we include common definitions */ -#include <asm/pte-common.h> +/* + * Location of the PFN in the PTE. Most 32-bit platforms use the same + * as _PAGE_SHIFT here (ie, naturally aligned). + * Platform who don't just pre-define the value so we don't override it here. + */ +#ifndef PTE_RPN_SHIFT +#define PTE_RPN_SHIFT (PAGE_SHIFT) +#endif + +/* + * The mask covered by the RPN must be a ULL on 32-bit platforms with + * 64-bit PTEs. + */ +#if defined(CONFIG_PPC32) && defined(CONFIG_PTE_64BIT) +#define PTE_RPN_MASK (~((1ULL << PTE_RPN_SHIFT) - 1)) +#else +#define PTE_RPN_MASK (~((1UL << PTE_RPN_SHIFT) - 1)) +#endif + +/* + * _PAGE_CHG_MASK masks of bits that are to be preserved across + * pgprot changes. + */ +#define _PAGE_CHG_MASK (PTE_RPN_MASK | _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_SPECIAL) #ifndef __ASSEMBLY__ |