14 files changed, 88 insertions, 65 deletions

diff --git a/include/linux/balloon_compaction.h b/include/linux/balloon_compaction.h
index f7f1d7169b11..089743ade734 100644
--- a/include/linux/balloon_compaction.h
+++ b/include/linux/balloon_compaction.h
@@ -159,6 +159,26 @@ static inline bool balloon_page_movable(struct page *page)
 }
 
 /*
+ * isolated_balloon_page - identify an isolated balloon page on private
+ *                         compaction/migration page lists.
+ *
+ * After a compaction thread isolates a balloon page for migration, it raises
+ * the page refcount to prevent concurrent compaction threads from re-isolating
+ * the same page. For that reason putback_movable_pages(), or other routines
+ * that need to identify isolated balloon pages on private pagelists, cannot
+ * rely on balloon_page_movable() to accomplish the task.
+ */
+static inline bool isolated_balloon_page(struct page *page)
+{
+        /* Already isolated balloon pages, by default, have a raised refcount */
+        if (page_flags_cleared(page) && !page_mapped(page) &&
+            page_count(page) >= 2)
+                return __is_movable_balloon_page(page);
+
+        return false;
+}
+
+/*
  * balloon_page_insert - insert a page into the balloon's page list and make
  *                       the page->mapping assignment accordingly.
  * @page    : page to be assigned as a 'balloon page'
@@ -243,6 +263,11 @@ static inline bool balloon_page_movable(struct page *page)
         return false;
 }
 
+static inline bool isolated_balloon_page(struct page *page)
+{
+        return false;
+}
+
 static inline bool balloon_page_isolate(struct page *page)
 {
         return false;
diff --git a/include/linux/bcma/bcma_driver_pci.h b/include/linux/bcma/bcma_driver_pci.h
index d66033f418c9..0333e605ea0d 100644
--- a/include/linux/bcma/bcma_driver_pci.h
+++ b/include/linux/bcma/bcma_driver_pci.h
@@ -242,6 +242,7 @@ extern int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc,
                                  struct bcma_device *core, bool enable);
 extern void bcma_core_pci_up(struct bcma_bus *bus);
 extern void bcma_core_pci_down(struct bcma_bus *bus);
+extern void bcma_core_pci_power_save(struct bcma_bus *bus, bool up);
 
 extern int bcma_core_pci_pcibios_map_irq(const struct pci_dev *dev);
 extern int bcma_core_pci_plat_dev_init(struct pci_dev *dev);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 2fdb4a451b49..0e6f765aa1f5 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -862,6 +862,17 @@ static inline unsigned int blk_rq_get_max_sectors(struct request *rq)
         return blk_queue_get_max_sectors(q, rq->cmd_flags);
 }
 
+static inline unsigned int blk_rq_count_bios(struct request *rq)
+{
+        unsigned int nr_bios = 0;
+        struct bio *bio;
+
+        __rq_for_each_bio(bio, rq)
+                nr_bios++;
+
+        return nr_bios;
+}
+
 /*
  * Request issue related functions.
  */
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 653073de09e3..ed419c62dde1 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -406,13 +406,14 @@ int dm_noflush_suspending(struct dm_target *ti);
 union map_info *dm_get_mapinfo(struct bio *bio);
 union map_info *dm_get_rq_mapinfo(struct request *rq);
 
+struct queue_limits *dm_get_queue_limits(struct mapped_device *md);
+
 /*
  * Geometry functions.
  */
 int dm_get_geometry(struct mapped_device *md, struct hd_geometry *geo);
 int dm_set_geometry(struct mapped_device *md, struct hd_geometry *geo);
 
-
 /*-----------------------------------------------------------------
  * Functions for manipulating device-mapper tables.
  *---------------------------------------------------------------*/
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index a3b8b2e2d244..d98503bde7e9 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -30,10 +30,13 @@
 /*
  * Framework version for util services.
  */
+#define UTIL_FW_MINOR  0
+
+#define UTIL_WS2K8_FW_MAJOR  1
+#define UTIL_WS2K8_FW_VERSION     (UTIL_WS2K8_FW_MAJOR << 16 | UTIL_FW_MINOR)
 
 #define UTIL_FW_MAJOR  3
-#define UTIL_FW_MINOR  0
-#define UTIL_FW_MAJOR_MINOR     (UTIL_FW_MAJOR << 16 | UTIL_FW_MINOR)
+#define UTIL_FW_VERSION     (UTIL_FW_MAJOR << 16 | UTIL_FW_MINOR)
 
 
 /*
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 482ad2d84a32..672ddc4de4af 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -439,6 +439,17 @@ static inline char *hex_byte_pack(char *buf, u8 byte)
         return buf;
 }
 
+extern const char hex_asc_upper[];
+#define hex_asc_upper_lo(x)     hex_asc_upper[((x) & 0x0f)]
+#define hex_asc_upper_hi(x)     hex_asc_upper[((x) & 0xf0) >> 4]
+
+static inline char *hex_byte_pack_upper(char *buf, u8 byte)
+{
+        *buf++ = hex_asc_upper_hi(byte);
+        *buf++ = hex_asc_upper_lo(byte);
+        return buf;
+}
+
 static inline char * __deprecated pack_hex_byte(char *buf, u8 byte)
 {
         return hex_byte_pack(buf, byte);
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 60e95872da29..ecc82b37c4cc 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -53,23 +53,6 @@ struct mem_cgroup_reclaim_cookie {
         unsigned int generation;
 };
 
-enum mem_cgroup_filter_t {
-        VISIT,          /* visit current node */
-        SKIP,           /* skip the current node and continue traversal */
-        SKIP_TREE,      /* skip the whole subtree and continue traversal */
-};
-
-/*
- * mem_cgroup_filter_t predicate might instruct mem_cgroup_iter_cond how to
- * iterate through the hierarchy tree. Each tree element is checked by the
- * predicate before it is returned by the iterator. If a filter returns
- * SKIP or SKIP_TREE then the iterator code continues traversal (with the
- * next node down the hierarchy or the next node that doesn't belong under the
- * memcg's subtree).
- */
-typedef enum mem_cgroup_filter_t
-(*mem_cgroup_iter_filter)(struct mem_cgroup *memcg, struct mem_cgroup *root);
-
 #ifdef CONFIG_MEMCG
 /*