kernel/user.c: drop unused field 'files' from user_struct

Nobody seems uses it for a long time. Let's drop it.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 2f2dd7d..611676f 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -745,7 +745,6 @@ static inline int signal_group_exit(const struct signal_struct *sig)
 struct user_struct {
        atomic_t __count;       /* reference count */
        atomic_t processes;     /* How many processes does this user have? */
-       atomic_t files;         /* How many open files does this user have? */
        atomic_t sigpending;    /* How many pending signals does this user have? */
 #ifdef CONFIG_INOTIFY_USER
        atomic_t inotify_watches; /* How many inotify watches does this user have? */

diff --git a/kernel/user.c b/kernel/user.c
index 294fc6a..4efa393 100644 (file)
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -87,7 +87,6 @@ static DEFINE_SPINLOCK(uidhash_lock);
 struct user_struct root_user = {
        .__count        = ATOMIC_INIT(1),
        .processes      = ATOMIC_INIT(1),
-       .files          = ATOMIC_INIT(0),
        .sigpending     = ATOMIC_INIT(0),
        .locked_shm     = 0,
        .uid            = GLOBAL_ROOT_UID,