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Diffstat (limited to 'arch/s390/include/asm/gmap.h')
-rw-r--r--arch/s390/include/asm/gmap.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/s390/include/asm/gmap.h b/arch/s390/include/asm/gmap.h
index 276268b48aff..fcbd638fb9f4 100644
--- a/arch/s390/include/asm/gmap.h
+++ b/arch/s390/include/asm/gmap.h
@@ -15,6 +15,7 @@
/* Status bits only for huge segment entries */
#define _SEGMENT_ENTRY_GMAP_IN 0x8000 /* invalidation notify bit */
+#define _SEGMENT_ENTRY_GMAP_UC 0x4000 /* dirty (migration) */
/**
* struct gmap_struct - guest address space
@@ -139,4 +140,6 @@ void gmap_pte_notify(struct mm_struct *, unsigned long addr, pte_t *,
int gmap_mprotect_notify(struct gmap *, unsigned long start,
unsigned long len, int prot);
+void gmap_sync_dirty_log_pmd(struct gmap *gmap, unsigned long dirty_bitmap[4],
+ unsigned long gaddr, unsigned long vmaddr);
#endif /* _ASM_S390_GMAP_H */