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-rw-r--r--sysdeps/generic/ldsodefs.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h
index eb3ef5bb28..ba114ab4b1 100644
--- a/sysdeps/generic/ldsodefs.h
+++ b/sysdeps/generic/ldsodefs.h
@@ -442,6 +442,9 @@ struct rtld_global
   EXTERN size_t _dl_tls_static_used;
   /* Alignment requirement of the static TLS block.  */
   EXTERN size_t _dl_tls_static_align;
+  /* Remaining amount of static TLS that may be used for optimizing
+     dynamic TLS access (e.g. with TLSDESC).  */
+  EXTERN size_t _dl_tls_static_optional;
 
 /* Number of additional entries in the slotinfo array of each slotinfo
    list element.  A large number makes it almost certain take we never