diff --git a/scst/include/backport.h b/scst/include/backport.h
index de48788f9..3b94bb87b 100644
--- a/scst/include/backport.h
+++ b/scst/include/backport.h
@@ -868,6 +868,10 @@ static inline void sg_mark_end(struct scatterlist *sg)
 {
 }
 
+static inline void sg_unmark_end(struct scatterlist *sg)
+{
+}
+
 #ifndef __BACKPORT_LINUX_SCATTERLIST_H_TO_2_6_23__
 
 static inline void sg_init_table(struct scatterlist *sgl, unsigned int nents)
@@ -895,6 +899,15 @@ static inline void sg_set_page(struct scatterlist *sg, struct page *page,
 #endif /* for_each_sg */
 
 #endif /* __BACKPORT_LINUX_SCATTERLIST_H_TO_2_6_23__ */
+#elif LINUX_VERSION_CODE < KERNEL_VERSION(3, 10, 0)
+/*
+ * See also commit c8164d8931fd ("scatterlist: introduce sg_unmark_end";
+ * v3.10).
+ */
+static inline void sg_unmark_end(struct scatterlist *sg)
+{
+	sg->page_link &= ~0x02;
+}
 #endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 24) */
 
 /* <linux/slab.h> */
diff --git a/scst/src/scst_mem.c b/scst/src/scst_mem.c
index 7c1139519..53dc11476 100644
--- a/scst/src/scst_mem.c
+++ b/scst/src/scst_mem.c
@@ -1099,6 +1099,7 @@ success:
 	*sgv = obj;
 
 	obj->sg_entries[cnt-1].length -= PAGE_ALIGN(size) - size;
+	sg_mark_end(&obj->sg_entries[cnt-1]);
 
 	TRACE_MEM("obj=%p, sg_entries %p (size=%d, pages=%d, sg_count=%d, "
 		"count=%d, last_len=%d)", obj, obj->sg_entries, size, pages,
@@ -1224,6 +1225,7 @@ void sgv_pool_free(struct sgv_pool_obj *obj, struct scst_mem_lim *mem_lim)
 
 	if (obj->cache_num >= 0) {
 		obj->sg_entries[obj->orig_sg].length = obj->orig_length;
+		sg_unmark_end(&obj->sg_entries[obj->orig_sg]);
 		sgv_put_obj(obj);
 	} else {
 		obj->owner_pool->alloc_fns.free_pages_fn(obj->sg_entries,