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Diffstat (limited to 'arch/powerpc/mm/mmu_context.c')
-rw-r--r--arch/powerpc/mm/mmu_context.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/mm/mmu_context.c b/arch/powerpc/mm/mmu_context.c
index f84e14f23e50..bb52320b7369 100644
--- a/arch/powerpc/mm/mmu_context.c
+++ b/arch/powerpc/mm/mmu_context.c
@@ -15,6 +15,7 @@
#include <linux/sched/mm.h>
#include <asm/mmu_context.h>
+#include <asm/pgalloc.h>
#if defined(CONFIG_PPC32)
static inline void switch_mm_pgdir(struct task_struct *tsk,
@@ -97,3 +98,12 @@ void switch_mm_irqs_off(struct mm_struct *prev, struct mm_struct *next,
switch_mmu_context(prev, next, tsk);
}
+#ifdef CONFIG_PPC32
+void arch_exit_mmap(struct mm_struct *mm)
+{
+ void *frag = pte_frag_get(&mm->context);
+
+ if (frag)
+ pte_frag_destroy(frag);
+}
+#endif