for those who deselect POSIX message queues.
Reduces SLAB size of user_struct from 64 to 32 bytes here,
SLUB size -- from 40 bytes to 32 bytes.
Signed-off-by: Alexey Dobriyan <[EMAIL PROTECTED]>
---
include/linux/sched.h | 2 ++
kernel/user.c | 2 --
2 files changed, 2 insertions(+), 2 deletions(-)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -583,8 +583,10 @@ struct user_struct {
atomic_t inotify_watches; /* How many inotify watches does this user
have? */
atomic_t inotify_devs; /* How many inotify devs does this user have
opened? */
#endif
+#ifdef CONFIG_POSIX_MQUEUE
/* protected by mq_lock */
unsigned long mq_bytes; /* How many bytes can be allocated to mqueue? */
+#endif
unsigned long locked_shm; /* How many pages of mlocked shm ? */
#ifdef CONFIG_KEYS
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -44,7 +44,6 @@ struct user_struct root_user = {
.processes = ATOMIC_INIT(1),
.files = ATOMIC_INIT(0),
.sigpending = ATOMIC_INIT(0),
- .mq_bytes = 0,
.locked_shm = 0,
#ifdef CONFIG_KEYS
.uid_keyring = &root_user_keyring,
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