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Diffstat (limited to 'arch/s390/include/asm/tlbflush.h')
-rw-r--r--arch/s390/include/asm/tlbflush.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/s390/include/asm/tlbflush.h b/arch/s390/include/asm/tlbflush.h
index a2e6ef32e..0a2031618 100644
--- a/arch/s390/include/asm/tlbflush.h
+++ b/arch/s390/include/asm/tlbflush.h
@@ -81,7 +81,8 @@ static inline void __tlb_flush_full(struct mm_struct *mm)
}
/*
- * Flush TLB entries for a specific ASCE on all CPUs.
+ * Flush TLB entries for a specific ASCE on all CPUs. Should never be used
+ * when more than one asce (e.g. gmap) ran on this mm.
*/
static inline void __tlb_flush_asce(struct mm_struct *mm, unsigned long asce)
{