X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fautoconf%2Flustre-core.m4;h=26d88d681b8f34974d93f78d5afc0181951056f8;hp=9d96ed07f63d751cb14a7d5a82309c90466e25fe;hb=d8bc3df60f21c40885be465f3a636374ffab95df;hpb=08892438473f3188de3dc7f76b0ce433eaef4367

diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index 9d96ed0..26d88d6 100644
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -1990,6 +1990,27 @@ vm_fault_t, [
 ]) # LC_VM_FAULT_T
 
 #
+# LC_VM_FAULT_RETRY
+#
+# kernel 4.17 commit 3d3539018d2cbd12e5af4a132636ee7fd8d43ef0
+# mm: VM_FAULT_RETRY is defined in enum vm_fault_reason
+#
+AC_DEFUN([LC_VM_FAULT_RETRY], [
+LB_CHECK_COMPILE([if VM_FAULT_RETRY is defined],
+VM_FAULT_RETRY, [
+	#include <linux/mm.h>
+],[
+	#ifndef VM_FAULT_RETRY
+		vm_fault_t x;
+		x = VM_FAULT_RETRY;
+	#endif
+],[
+	AC_DEFINE(HAVE_VM_FAULT_RETRY, 1,
+		[if VM_FAULT_RETRY is defined])
+])
+]) # LC_VM_FAULT_RETRY
+
+#
 # LC_INODE_TIMESPEC64
 #
 # kernel 4.17-rc7 commit 8efd6894ff089adeeac7cb9f32125b85d963d1bc
@@ -2395,6 +2416,7 @@ AC_DEFUN([LC_PROG_LINUX], [
 
 	# 4.17
 	LC_VM_FAULT_T
+	LC_VM_FAULT_RETRY
 	LC_I_PAGES
 
 	# 4.18