diff options
| author | Alexey Dobriyan <adobriyan@sw.ru> | 2007-10-16 23:30:09 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-17 08:42:59 -0700 |
| commit | 970a8645ca051225a32401e4c80b50fc0a49c081 (patch) | |
| tree | 25600770b729500354d025f078d0ce9f655bdea4 /include/linux/sched.h | |
| parent | 40aeb400f68090f92010920ddf284b672a1461b8 (diff) | |
| download | lwn-970a8645ca051225a32401e4c80b50fc0a49c081.tar.gz lwn-970a8645ca051225a32401e4c80b50fc0a49c081.zip | |
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 <adobriyan@sw.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/sched.h')
| -rw-r--r-- | include/linux/sched.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 57166582a3f5..884699fa8c1f 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 |