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List:       kvm-ppc
Subject:    [PATCH v2 05/20] powerpc/64: Export pgtable_cache and pgtable_cache_add for KVM
From:       Paul Mackerras <paulus () ozlabs ! org>
Date:       2017-01-30 10:21:38
Message-ID: 1485771713-24801-6-git-send-email-paulus () ozlabs ! org
[Download RAW message or body]

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>
---
 arch/powerpc/mm/init-common.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/mm/init-common.c b/arch/powerpc/mm/init-common.c
index a175cd8..2be5dc2 100644
--- a/arch/powerpc/mm/init-common.c
+++ b/arch/powerpc/mm/init-common.c
@@ -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)
 {
-- 
2.7.4

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