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-rw-r--r--lib/tdb2/tdb.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/tdb2/tdb.c b/lib/tdb2/tdb.c
index c9224bdeed..4ba6924645 100644
--- a/lib/tdb2/tdb.c
+++ b/lib/tdb2/tdb.c
@@ -386,7 +386,9 @@ _PUBLIC_ void tdb_add_flag(struct tdb_context *tdb, unsigned flag)
break;
case TDB_NOMMAP:
tdb->flags |= TDB_NOMMAP;
+#ifndef HAVE_INCOHERENT_MMAP
tdb_munmap(tdb->file);
+#endif
break;
case TDB_NOSYNC:
tdb->flags |= TDB_NOSYNC;
@@ -423,7 +425,10 @@ _PUBLIC_ void tdb_remove_flag(struct tdb_context *tdb, unsigned flag)
break;
case TDB_NOMMAP:
tdb->flags &= ~TDB_NOMMAP;
+#ifndef HAVE_INCOHERENT_MMAP
+ /* If mmap incoherent, we were mmaping anyway. */
tdb_mmap(tdb);
+#endif
break;
case TDB_NOSYNC:
tdb->flags &= ~TDB_NOSYNC;