29 files changed, 154 insertions, 231 deletions

diff --git a/drivers/staging/zram/zram.txt b/Documentation/blockdev/zram.txt
index 765d790ae831..2eccddffa6c8 100644
--- a/drivers/staging/zram/zram.txt
+++ b/Documentation/blockdev/zram.txt
@@ -1,8 +1,6 @@
 zram: Compressed RAM based block devices
 ----------------------------------------
 
-Project home: http://compcache.googlecode.com/
-
 * Introduction
 
 The zram module creates RAM based block devices named /dev/zram<id>
@@ -69,9 +67,5 @@ Following shows a typical sequence of steps for using zram.
         resets the disksize to zero. You must set the disksize again
         before reusing the device.
 
-Please report any problems at:
- - Mailing list: linux-mm-cc at laptop dot org
- - Issue tracker: http://code.google.com/p/compcache/issues/list
-
 Nitin Gupta
 ngupta@vflare.org
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index 31f76178c987..f00bee144add 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -1386,8 +1386,8 @@ may allocate from based on an estimation of its current memory and swap use.
 For example, if a task is using all allowed memory, its badness score will be
 1000.  If it is using half of its allowed memory, its score will be 500.
 
-There is an additional factor included in the badness score: root
-processes are given 3% extra memory over other tasks.
+There is an additional factor included in the badness score: the current memory
+and swap usage is discounted by 3% for root processes.
 
 The amount of "allowed" memory depends on the context in which the oom killer
 was called.  If it is due to the memory assigned to the allocating task's cpuset
diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
index deb48b5fd883..c53784c119c8 100644
--- a/Documentation/filesystems/vfs.txt
+++ b/Documentation/filesystems/vfs.txt
@@ -782,7 +782,7 @@ struct file_operations
 ----------------------
 
 This describes how the VFS can manipulate an open file. As of kernel
-3.5, the following members are defined:
+3.12, the following members are defined:
 
 struct file_operations {
         struct module *owner;
@@ -803,9 +803,6 @@ struct file_operations {
         int (*aio_fsync) (struct kiocb *, int datasync);
         int (*fasync) (int, struct file *, int);
         int (*lock) (struct file *, int, struct file_lock *);
-        ssize_t (*readv) (struct file *, const struct iovec *, unsigned long, loff_t *);
-        ssize_t (*writev) (struct file *, const struct iovec *, unsigned long, loff_t *);
-        ssize_t (*sendfile) (struct file *, loff_t *, size_t, read_actor_t, void *);
         ssize_t (*sendpage) (struct file *, struct page *, int, size_t, loff_t *, int);
         unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);
         int (*check_flags)(int);
@@ -814,6 +811,7 @@ struct file_operations {
         ssize_t (*splice_read)(struct file *, struct pipe_inode_info *, size_t, unsigned int);
         int (*setlease)(struct file *, long arg, struct file_lock **);
         long (*fallocate)(struct file *, int mode, loff_t offset, loff_t len);
+        int (*show_fdinfo)(struct seq_file *m, struct file *f);
 };
 
 Again, all methods are called without any locks being held, unless
@@ -864,12 +862,6 @@ otherwise noted.
   lock: called by the fcntl(2) system call for F_GETLK, F_SETLK, and F_SETLKW
         commands
 
-  readv: called by the readv(2) system call
-
-  writev: called by the writev(2) system call
-
-  sendfile: called by the sendfile(2) system call
-
   get_unmapped_area: called by the mmap(2) system call
 
   check_flags: called by the fcntl(2) system call for F_SETFL command
diff --git a/MAINTAINERS b/MAINTAINERS
index a31a6e3e199f..b5795f031b3e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9740,11 +9740,27 @@ T:	Mercurial http://linuxtv.org/hg/v4l-dvb
 S:      Odd Fixes
 F:      drivers/media/pci/zoran/
 
+ZRAM COMPRESSED RAM BLOCK DEVICE DRVIER
+M:      Minchan Kim <minchan@kernel.org>
+M:      Nitin Gupta <ngupta@vflare.org>
+L:      linux-kernel@vger.kernel.org
+S:      Maintained
+F:      drivers/block/zram/
+F:      Documentation/blockdev/zram.txt
+
 ZS DECSTATION Z85C30 SERIAL DRIVER
 M:      "Maciej W. Rozycki" <macro@linux-mips.org>
 S:      Maintained
 F:      drivers/tty/serial/zs.*
 
+ZSMALLOC COMPRESSED SLAB MEMORY ALLOCATOR
+M:      Minchan Kim <minchan@kernel.org>
+M:      Nitin Gupta <ngupta@vflare.org>
+L:      linux-mm@kvack.org
+S:      Maintained
+F:      mm/zsmalloc.c
+F:      include/linux/zsmalloc.h
+
 ZSWAP COMPRESSED SWAP CACHING
 M:      Seth Jennings <sjenning@linux.vnet.ibm.com>
 L:      linux-mm@kvack.org
diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h
index a83aa44bb1fb..1aa9ccd43223 100644
--- a/arch/x86/include/asm/pgtable_types.h
+++ b/arch/x86/include/asm/pgtable_types.h
@@ -121,7 +121,8 @@
 
 /* Set of bits not changed in pte_modify */
 #define _PAGE_CHG_MASK  (PTE_PFN_MASK | _PAGE_PCD | _PAGE_PWT |         \
-                         _PAGE_SPECIAL | _PAGE_ACCESSED | _PAGE_DIRTY)
+                         _PAGE_SPECIAL | _PAGE_ACCESSED | _PAGE_DIRTY | \
+                         _PAGE_SOFT_DIRTY)
 #define _HPAGE_CHG_MASK (_PAGE_CHG_MASK | _PAGE_PSE)
 
 #define _PAGE_CACHE_MASK        (_PAGE_PCD | _PAGE_PWT)
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 9ffa90c6201c..014a1cfc41c5 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -108,6 +108,8 @@ source "drivers/block/paride/Kconfig"
 
 source "drivers/block/mtip32xx/Kconfig"