diff --git a/drivers/base/node.c b/drivers/base/node.c
index 12fde2d..39f3d1b 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -77,6 +77,7 @@
 		       "Node %d PageTables:   %8lu kB\n"
 		       "Node %d NFS_Unstable: %8lu kB\n"
 		       "Node %d Bounce:       %8lu kB\n"
+		       "Node %d WritebackTmp: %8lu kB\n"
 		       "Node %d Slab:         %8lu kB\n"
 		       "Node %d SReclaimable: %8lu kB\n"
 		       "Node %d SUnreclaim:   %8lu kB\n",
@@ -99,6 +100,7 @@
 		       nid, K(node_page_state(nid, NR_PAGETABLE)),
 		       nid, K(node_page_state(nid, NR_UNSTABLE_NFS)),
 		       nid, K(node_page_state(nid, NR_BOUNCE)),
+		       nid, K(node_page_state(nid, NR_WRITEBACK_TEMP)),
 		       nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE) +
 				node_page_state(nid, NR_SLAB_UNRECLAIMABLE)),
 		       nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE)),
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 48bcf20..74a323d 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -179,6 +179,7 @@
 		"PageTables:   %8lu kB\n"
 		"NFS_Unstable: %8lu kB\n"
 		"Bounce:       %8lu kB\n"
+		"WritebackTmp: %8lu kB\n"
 		"CommitLimit:  %8lu kB\n"
 		"Committed_AS: %8lu kB\n"
 		"VmallocTotal: %8lu kB\n"
@@ -210,6 +211,7 @@
 		K(global_page_state(NR_PAGETABLE)),
 		K(global_page_state(NR_UNSTABLE_NFS)),
 		K(global_page_state(NR_BOUNCE)),
+		K(global_page_state(NR_WRITEBACK_TEMP)),
 		K(allowed),
 		K(committed),
 		(unsigned long)VMALLOC_TOTAL >> 10,
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index aad9800..ceb675d 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -97,6 +97,7 @@
 	NR_UNSTABLE_NFS,	/* NFS unstable pages */
 	NR_BOUNCE,
 	NR_VMSCAN_WRITE,
+	NR_WRITEBACK_TEMP,	/* Writeback using temporary buffers */
 #ifdef CONFIG_NUMA
 	NUMA_HIT,		/* allocated in intended node */
 	NUMA_MISS,		/* allocated in non intended node */
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index c90a1e8..789b6ad 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -211,7 +211,8 @@
 	avail_dirty = dirty -
 		(global_page_state(NR_FILE_DIRTY) +
 		 global_page_state(NR_WRITEBACK) +
-		 global_page_state(NR_UNSTABLE_NFS));
+		 global_page_state(NR_UNSTABLE_NFS) +
+		 global_page_state(NR_WRITEBACK_TEMP));
 
 	if (avail_dirty < 0)
 		avail_dirty = 0;
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 280a7ed..1a32130 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -612,6 +612,7 @@
 	"nr_unstable",
 	"nr_bounce",
 	"nr_vmscan_write",
+	"nr_writeback_temp",
 
 #ifdef CONFIG_NUMA
 	"numa_hit",