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Diffstat (limited to 'include/asm-powerpc/pgalloc-64.h')
-rw-r--r--include/asm-powerpc/pgalloc-64.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-powerpc/pgalloc-64.h b/include/asm-powerpc/pgalloc-64.h
index 94d0294341d..43214c8085b 100644
--- a/include/asm-powerpc/pgalloc-64.h
+++ b/include/asm-powerpc/pgalloc-64.h
@@ -12,6 +12,10 @@
#include <linux/cpumask.h>
#include <linux/percpu.h>
+#ifndef CONFIG_PPC_SUBPAGE_PROT
+static inline void subpage_prot_free(pgd_t *pgd) {}
+#endif
+
extern struct kmem_cache *pgtable_cache[];
#define PGD_CACHE_NUM 0
@@ -27,6 +31,7 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm)
static inline void pgd_free(pgd_t *pgd)
{
+ subpage_prot_free(pgd);
kmem_cache_free(pgtable_cache[PGD_CACHE_NUM], pgd);
}