5 files changed, 8 insertions, 1 deletions

diff --git a/drivers/base/node.c b/drivers/base/node.c
index 12fde2d03d69..39f3d1b3a213 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -77,6 +77,7 @@ static ssize_t node_read_meminfo(struct sys_device * dev, char * buf)
                        "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 @@ static ssize_t node_read_meminfo(struct sys_device * dev, char * buf)
                        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 48bcf20cec2f..74a323d2b850 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -179,6 +179,7 @@ static int meminfo_read_proc(char *page, char **start, off_t off,
                 "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 @@ static int meminfo_read_proc(char *page, char **start, off_t off,
                 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 aad98003176f..ceb675d83a56 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -97,6 +97,7 @@ enum zone_stat_item {
         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 c90a1e8e479f..789b6adbef37 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -211,7 +211,8 @@ clip_bdi_dirty_limit(struct backing_dev_info *bdi, long dirty, long *pbdi_dirty)
         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 280a7ed549f2..1a32130b958c 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -612,6 +612,7 @@ static const char * const vmstat_text[] = {
         "nr_unstable",
         "nr_bounce",
         "nr_vmscan_write",
+        "nr_writeback_temp",
 
 #ifdef CONFIG_NUMA
         "numa_hit",