LU-9203 lnet: fix lnet_cpt_of_md()

[fs/lustre-release.git] / lnet / autoconf / lustre-lnet.m4

diff --git a/lnet/autoconf/lustre-lnet.m4 b/lnet/autoconf/lustre-lnet.m4
index 5fa1a70..2ae3144 100644 (file)
--- a/lnet/autoconf/lustre-lnet.m4
+++ b/lnet/autoconf/lustre-lnet.m4
@@ -724,6 +724,17 @@ EXTRA_KCFLAGS="$tmp_flags"
 ]) # LN_CONFIG_SK_DATA_READY
 
 #
+# LN_EXPORT_KMAP_TO_PAGE
+#
+# 3.10 Export kmap_to_page
+#
+AC_DEFUN([LN_EXPORT_KMAP_TO_PAGE], [
+LB_CHECK_EXPORT([kmap_to_page], [mm/highmem.c],
+        [AC_DEFINE(HAVE_KMAP_TO_PAGE, 1,
+                [kmap_to_page is exported by the kernel])])
+]) # LN_EXPORT_KMAP_TO_PAG
+
+#
 # LN_CONFIG_SOCK_ACCEPT
 #
 # 4.11 commit cdfbabfb2f0ce983fdaa42f20e5f7842178fc01e added a flag
@@ -761,6 +772,8 @@ LN_CONFIG_GNILND
 LN_CONFIG_SK_SLEEP
 # 2.6.36
 LN_CONFIG_TCP_SENDPAGE
+# 3.10
+LN_EXPORT_KMAP_TO_PAGE
 # 3.15
 LN_CONFIG_SK_DATA_READY
 # 4.x