3 files changed, 8 insertions, 4 deletions

diff --git a/init/Kconfig b/init/Kconfig
index 14c483d2b7c9..1398a14b0191 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -531,7 +531,7 @@ config CGROUP_DEVICE
 
 config CPUSETS
         bool "Cpuset support"
-        depends on SMP && CGROUPS
+        depends on CGROUPS
         help
           This option will let you create and manage CPUSETs which
           allow dynamically partitioning a system into sets of CPUs and
@@ -597,6 +597,8 @@ config CGROUP_MEM_RES_CTLR_SWAP
           is disabled by boot option, this will be automatically disabled and
           there will be no overhead from this. Even when you set this config=y,
           if boot option "noswapaccount" is set, swap will not be accounted.
+          Now, memory usage of swap_cgroup is 2 bytes per entry. If swap page
+          size is 4096bytes, 512k per 1Gbytes of swap.
 
 endif # CGROUPS
 
diff --git a/init/initramfs.c b/init/initramfs.c
index 619c1baf7701..80cd713f6cc5 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -571,11 +571,11 @@ static int __init populate_rootfs(void)
         if (initrd_start) {
 #ifdef CONFIG_BLK_DEV_RAM
                 int fd;
-                printk(KERN_INFO "checking if image is initramfs...");
+                printk(KERN_INFO "checking if image is initramfs...\n");
                 err = unpack_to_rootfs((char *)initrd_start,
                         initrd_end - initrd_start);
                 if (!err) {
-                        printk(" it is\n");
+                        printk(KERN_INFO "rootfs image is initramfs; unpacking...\n");
                         free_initrd();
                         return 0;
                 } else {
@@ -583,7 +583,8 @@ static int __init populate_rootfs(void)
                         unpack_to_rootfs(__initramfs_start,
                                  __initramfs_end - __initramfs_start);
                 }
-                printk("it isn't (%s); looks like an initrd\n", err);
+                printk(KERN_INFO "rootfs image is not initramfs (%s)"
+                                "; looks like an initrd\n", err);
                 fd = sys_open("/initrd.image", O_WRONLY|O_CREAT, 0700);
                 if (fd >= 0) {
                         sys_write(fd, (char *)initrd_start,
diff --git a/init/main.c b/init/main.c
index d6b388fbffa6..07c8658ffca5 100644
--- a/init/main.c
+++ b/init/main.c
@@ -793,6 +793,7 @@ static void run_init_process(char *init_filename)
  * makes it inline to init() and it becomes part of init.text section
  */
 static noinline int init_post(void)
+        __releases(kernel_lock)
 {
         /* need to finish all async __init code before freeing the memory */
         async_synchronize_full();