Merge branch 'akpm' (patches from Andrew)

Merge more fixes from Andrew Morton:
 "3 fixes"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  kcov: add missing #include <linux/sched.h>
  radix tree test suite: fix compilation
  zram: restrict add/remove attributes to root only

diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 5163c8f..5497f7f 100644 (file)
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -1413,8 +1413,14 @@ static ssize_t hot_remove_store(struct class *class,
        return ret ? ret : count;
 }
 
+/*
+ * NOTE: hot_add attribute is not the usual read-only sysfs attribute. In a
+ * sense that reading from this file does alter the state of your system -- it
+ * creates a new un-initialized zram device and returns back this device's
+ * device_id (or an error code if it fails to create a new device).
+ */
 static struct class_attribute zram_control_class_attrs[] = {
-       __ATTR_RO(hot_add),
+       __ATTR(hot_add, 0400, hot_add_show, NULL),
        __ATTR_WO(hot_remove),
        __ATTR_NULL,
 };

diff --git a/kernel/kcov.c b/kernel/kcov.c
index 30e6d05..3cbb0c8 100644 (file)
--- a/kernel/kcov.c
+++ b/kernel/kcov.c
@@ -7,6 +7,7 @@
 #include <linux/fs.h>
 #include <linux/mm.h>
 #include <linux/printk.h>
+#include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/vmalloc.h>

diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 8e6d552..0d1d23e 100644 (file)
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -30,7 +30,6 @@
 #include <linux/percpu.h>
 #include <linux/slab.h>
 #include <linux/kmemleak.h>
-#include <linux/notifier.h>
 #include <linux/cpu.h>
 #include <linux/string.h>
 #include <linux/bitops.h>

diff --git a/tools/testing/radix-tree/linux/cpu.h b/tools/testing/radix-tree/linux/cpu.h
index 7cf4121..a45530d 100644 (file)
--- a/tools/testing/radix-tree/linux/cpu.h
+++ b/tools/testing/radix-tree/linux/cpu.h
@@ -1,21 +1 @@
-
-#define hotcpu_notifier(a, b)
-
-#define CPU_ONLINE             0x0002 /* CPU (unsigned)v is up */
-#define CPU_UP_PREPARE         0x0003 /* CPU (unsigned)v coming up */
-#define CPU_UP_CANCELED                0x0004 /* CPU (unsigned)v NOT coming up */
-#define CPU_DOWN_PREPARE       0x0005 /* CPU (unsigned)v going down */
-#define CPU_DOWN_FAILED                0x0006 /* CPU (unsigned)v NOT going down */
-#define CPU_DEAD               0x0007 /* CPU (unsigned)v dead */
-#define CPU_POST_DEAD          0x0009 /* CPU (unsigned)v dead, cpu_hotplug
-                                       * lock is dropped */
-#define CPU_BROKEN             0x000C /* CPU (unsigned)v did not die properly,
-                                       * perhaps due to preemption. */
-#define CPU_TASKS_FROZEN       0x0010
-
-#define CPU_ONLINE_FROZEN      (CPU_ONLINE | CPU_TASKS_FROZEN)
-#define CPU_UP_PREPARE_FROZEN  (CPU_UP_PREPARE | CPU_TASKS_FROZEN)
-#define CPU_UP_CANCELED_FROZEN  (CPU_UP_CANCELED | CPU_TASKS_FROZEN)
-#define CPU_DOWN_PREPARE_FROZEN (CPU_DOWN_PREPARE | CPU_TASKS_FROZEN)
-#define CPU_DOWN_FAILED_FROZEN  (CPU_DOWN_FAILED | CPU_TASKS_FROZEN)
-#define CPU_DEAD_FROZEN                (CPU_DEAD | CPU_TASKS_FROZEN)
+#define cpuhp_setup_state_nocalls(a, b, c, d)  (0)

diff --git a/tools/testing/radix-tree/linux/notifier.h b/tools/testing/radix-tree/linux/notifier.h
deleted file mode 100644 (file)
index 70e4797..0000000
--- a/tools/testing/radix-tree/linux/notifier.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef _NOTIFIER_H
-#define _NOTIFIER_H
-
-struct notifier_block;
-
-#define NOTIFY_OK              0x0001          /* Suits me */
-
-#endif