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powerpc/64s/hash: Provide arch_setup_exec() hooks for hash slice setup

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This will be used by the SLB code in the next patch, but for now this
sets the slb_addr_limit to the correct size for 32-bit tasks.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Nicholas Piggin
2018-09-15 01:30:55 +10:00
committed by Michael Ellerman
parent 126b11b294
commit 425d331462
6 changed files with 37 additions and 0 deletions
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arch/powerpc/include/asm/book3s/64/mmu-hash.h
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@@ -487,6 +487,8 @@ int htab_remove_mapping(unsigned long vstart, unsigned long vend,
extern void pseries_add_gpage(u64 addr, u64 page_size, unsigned long number_of_pages);
extern void demote_segment_4k(struct mm_struct *mm, unsigned long addr);
extern void hash__setup_new_exec(void);
#ifdef CONFIG_PPC_PSERIES
void hpte_init_pseries(void);
#else