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-rw-r--r--arch/powerpc/kernel/paca.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c
index ad302f845e5..d6e195e8cd4 100644
--- a/arch/powerpc/kernel/paca.c
+++ b/arch/powerpc/kernel/paca.c
@@ -98,6 +98,9 @@ static inline void free_lppacas(void) { }
/*
* 3 persistent SLBs are registered here. The buffer will be zero
* initially, hence will all be invaild until we actually write them.
+ *
+ * If you make the number of persistent SLB entries dynamic, please also
+ * update PR KVM to flush and restore them accordingly.
*/
static struct slb_shadow *slb_shadow;