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powerpc/64: Export pgtable_cache and pgtable_cache_add for KVM 

This exports the pgtable_cache array and the pgtable_cache_add
function so that HV KVM can use them for allocating radix page
tables for guests.

Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Paul Mackerras 2017-01-30 21:21:38 +11:00 committed by Michael Ellerman
parent dbcbfee0c8
commit ba9b399aee
1 changed files with 2 additions and 1 deletions
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3
arch/powerpc/mm/init-common.c
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@ -41,6 +41,7 @@ static void pmd_ctor(void *addr)
}
struct kmem_cache *pgtable_cache[MAX_PGTABLE_INDEX_SIZE];
EXPORT_SYMBOL_GPL(pgtable_cache); /* used by kvm_hv module */
/*
* Create a kmem_cache() for pagetables. This is not used for PTE
@ -82,7 +83,7 @@ void pgtable_cache_add(unsigned shift, void (*ctor)(void *))
pgtable_cache[shift - 1] = new;
pr_debug("Allocated pgtable cache for order %d\n", shift);
}
EXPORT_SYMBOL_GPL(pgtable_cache_add); /* used by kvm_hv module */
void pgtable_cache_init(void)
{