Merge branch 'akpm' (second patch-bomb from Andrew)

Merge second patchbomb from Andrew Morton:
 - the rest of MM
 - misc fs fixes
 - add execveat() syscall
 - new ratelimit feature for fault-injection
 - decompressor updates
 - ipc/ updates
 - fallocate feature creep
 - fsnotify cleanups
 - a few other misc things

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (99 commits)
  cgroups: Documentation: fix trivial typos and wrong paragraph numberings
  parisc: percpu: update comments referring to __get_cpu_var
  percpu: update local_ops.txt to reflect this_cpu operations
  percpu: remove __get_cpu_var and __raw_get_cpu_var macros
  fsnotify: remove destroy_list from fsnotify_mark
  fsnotify: unify inode and mount marks handling
  fallocate: create FAN_MODIFY and IN_MODIFY events
  mm/cma: make kmemleak ignore CMA regions
  slub: fix cpuset check in get_any_partial
  slab: fix cpuset check in fallback_alloc
  shmdt: use i_size_read() instead of ->i_size
  ipc/shm.c: fix overly aggressive shmdt() when calls span multiple segments
  ipc/msg: increase MSGMNI, remove scaling
  ipc/sem.c: increase SEMMSL, SEMMNI, SEMOPM
  ipc/sem.c: change memory barrier in sem_lock() to smp_rmb()
  lib/decompress.c: consistency of compress formats for kernel image
  decompress_bunzip2: off by one in get_next_block()
  usr/Kconfig: make initrd compression algorithm selection not expert
  fault-inject: add ratelimit option
  ratelimit: add initialization macro
  ...

1 files changed, 9 insertions, 22 deletions

diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
index ca060d7c4fa6..0f313f93c586 100644
--- a/include/linux/fsnotify_backend.h
+++ b/include/linux/fsnotify_backend.h
@@ -197,24 +197,6 @@ struct fsnotify_group {
 #define FSNOTIFY_EVENT_INODE    2
 
 /*
- * Inode specific fields in an fsnotify_mark
- */
-struct fsnotify_inode_mark {
-        struct inode *inode;            /* inode this mark is associated with */
-        struct hlist_node i_list;       /* list of marks by inode->i_fsnotify_marks */
-        struct list_head free_i_list;   /* tmp list used when freeing this mark */
-};
-
-/*
- * Mount point specific fields in an fsnotify_mark
- */
-struct fsnotify_vfsmount_mark {
-        struct vfsmount *mnt;           /* vfsmount this mark is associated with */
-        struct hlist_node m_list;       /* list of marks by inode->i_fsnotify_marks */
-        struct list_head free_m_list;   /* tmp list used when freeing this mark */
-};
-
-/*
  * a mark is simply an object attached to an in core inode which allows an
  * fsnotify listener to indicate they are either no longer interested in events
  * of a type matching mask or only interested in those events.
@@ -230,11 +212,17 @@ struct fsnotify_mark {
          * in kernel that found and may be using this mark. */
         atomic_t refcnt;                /* active things looking at this mark */
         struct fsnotify_group *group;   /* group this mark is for */
-        struct list_head g_list;        /* list of marks by group->i_fsnotify_marks */
+        struct list_head g_list;        /* list of marks by group->i_fsnotify_marks
+                                         * Also reused for queueing mark into
+                                         * destroy_list when it's waiting for
+                                         * the end of SRCU period before it can
+                                         * be freed */
         spinlock_t lock;                /* protect group and inode */
+        struct hlist_node obj_list;     /* list of marks for inode / vfsmount */
+        struct list_head free_list;     /* tmp list used when freeing this mark */
         union {
-                struct fsnotify_inode_mark i;
-                struct fsnotify_vfsmount_mark m;
+                struct inode *inode;    /* inode this mark is associated with */
+                struct vfsmount *mnt;   /* vfsmount this mark is associated with */
         };
         __u32 ignored_mask;             /* events types to ignore */
 #define FSNOTIFY_MARK_FLAG_INODE                0x01
@@ -243,7 +231,6 @@ struct fsnotify_mark {
 #define FSNOTIFY_MARK_FLAG_IGNORED_SURV_MODIFY  0x08
 #define FSNOTIFY_MARK_FLAG_ALIVE                0x10
         unsigned int flags;             /* vfsmount or inode mark? */
-        struct list_head destroy_list;
         void (*free_mark)(struct fsnotify_mark *mark); /* called on final put+free */
 };