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authorAlexey Dobriyan <adobriyan@sw.ru>2007-10-16 23:30:09 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-17 08:42:59 -0700
commit970a8645ca051225a32401e4c80b50fc0a49c081 (patch)
tree25600770b729500354d025f078d0ce9f655bdea4 /include
parent40aeb400f68090f92010920ddf284b672a1461b8 (diff)
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')
-rw-r--r--include/linux/sched.h2
1 files changed, 2 insertions, 0 deletions
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