diff --git a/scripts/specialize-patch b/scripts/specialize-patch
index 951df7a7b..724e51d96 100755
--- a/scripts/specialize-patch
+++ b/scripts/specialize-patch
@@ -235,6 +235,7 @@ function evaluate(stmnt, pattern, arg, op, result) {
     gsub("MOFED_MINOR", MOFED_MINOR, stmnt)
   }
 
+  gsub("defined\\(_COMPAT_LINUX_MM_H\\)", "0", stmnt)
   gsub("defined\\(UEK_KABI_RENAME\\)", "0", stmnt)
 
   if (SCST_IO_CONTEXT != "")
@@ -435,6 +436,7 @@ function handle_if(evaluated)
       || $0 ~ "RHEL_RELEASE_CODE"					\
       || $0 ~ "SOCK_RECVMSG_HAS_FOUR_ARGS"				\
       || $0 ~ "UEK_KABI_RENAME"						\
+      || $0 ~ "_COMPAT_LINUX_MM_H"					\
       || $0 ~ "USE_PRE_440_WR_STRUCTURE"				\
       || generating_upstream_patch_defined				\
          && $0 ~ "GENERATING_UPSTREAM_PATCH"				\
diff --git a/scst/include/backport.h b/scst/include/backport.h
index 0fff88b04..f8d91e996 100644
--- a/scst/include/backport.h
+++ b/scst/include/backport.h
@@ -33,6 +33,9 @@
 #include <linux/dmapool.h>
 #include <linux/eventpoll.h>
 #include <linux/iocontext.h>
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36)
+#include <linux/kobject_ns.h>
+#endif
 #include <linux/scatterlist.h>	/* struct scatterlist */
 #include <linux/slab.h>		/* kmalloc() */
 #include <linux/stddef.h>	/* sizeof_field() */
@@ -849,15 +852,18 @@ enum kobj_ns_type {
  * 172856eac7cf ("kobject: Export kobj_ns_grab_current() and kobj_ns_drop()";
  * v4.16).
  */
-static inline void *kobj_ns_grab_current(enum kobj_ns_type type)
+static inline void *kobj_ns_grab_current_backport(enum kobj_ns_type type)
 {
 	WARN_ON_ONCE(type != KOBJ_NS_TYPE_NET);
 	return &init_net;
 }
 
-static inline void kobj_ns_drop(enum kobj_ns_type type, void *ns)
+static inline void kobj_ns_drop_backport(enum kobj_ns_type type, void *ns)
 {
 }
+
+#define kobj_ns_grab_current kobj_ns_grab_current_backport
+#define kobj_ns_drop kobj_ns_drop_backport
 #endif
 
 /* <linux/kref.h> */