X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=acinclude.m4;h=fdcdf4491f664d690c36961cb342a56b94c4e08f;hb=003ce655b7116d18c86a74c50391e54990346931;hp=4269620a00890a9b2c3d40eb029dc871fe507eee;hpb=cb25142c50cd3a92e779ca1ce6f61380ffc75927;p=sliver-openvswitch.git

diff --git a/acinclude.m4 b/acinclude.m4
index 4269620a0..fdcdf4491 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -137,7 +137,7 @@ AC_DEFUN([OVS_CHECK_LINUX], [
        if test "$version" = 3 && test "$patchlevel" -le 13; then
           : # Linux 3.x
        else
-         AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version newer than 3.13.x is not supported])
+         AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version newer than 3.13.x is not supported (please refer to the FAQ for advice)])
        fi
     else
        if test "$version" -le 1 || test "$patchlevel" -le 5 || test "$sublevel" -le 31; then
@@ -288,6 +288,7 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
   OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [__skb_fill_page_desc])
   OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_reset_mac_len])
   OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_unclone])
+  OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_orphan_frags])
 
   OVS_GREP_IFELSE([$KSRC/include/linux/types.h], [bool],
                   [OVS_DEFINE([HAVE_BOOL_TYPE])])