From 970a8645ca051225a32401e4c80b50fc0a49c081 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Tue, 16 Oct 2007 23:30:09 -0700 Subject: user.c: #ifdef ->mq_bytes 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. [akpm@linux-foundation.org: fix build] Signed-off-by: Alexey Dobriyan Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/sched.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux') diff --git a/include/linux/sched.h b/include/linux/sched.h index 57166582a3f..884699fa8c1 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -518,8 +518,10 @@ 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 -- cgit v1.2.3