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powerpc/mm: define subarch SLB_ADDR_LIMIT_DEFAULT

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This patch defines a subarch specific SLB_ADDR_LIMIT_DEFAULT
to remove the #ifdefs around the setup of mm->context.slb_addr_limit

It also generalises the use of mm_ctx_set_slb_addr_limit() helper.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Leroy
2019-04-25 14:29:36 +00:00
committed by Michael Ellerman
parent 43ed7909d7
commit 5953fb4f46
5 changed files with 7 additions and 9 deletions
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2
arch/powerpc/include/asm/book3s/64/slice.h
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@@ -11,4 +11,6 @@
#define SLICE_NUM_HIGH (H_PGTABLE_RANGE >> SLICE_HIGH_SHIFT)
#define GET_HIGH_SLICE_INDEX(addr) ((addr) >> SLICE_HIGH_SHIFT)
#define SLB_ADDR_LIMIT_DEFAULT DEFAULT_MAP_WINDOW_USER64
#endif /* _ASM_POWERPC_BOOK3S_64_SLICE_H */